Rare Venus Transit!

May 27, 2012; 5:00 AM ET

For the last time until the year 2117, Venus will pass directly in front of the Sun on June 5.

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Astronomy Channel

  • Rare Venus Transit!

    Rare Venus Transit!

    May 27, 2012; 5:00 AM ET

    For the last time until the year 2117, Venus will pass directly in front of the Sun on June 5.

  • Satellites Measure Air, Land, and Sea

    Satellites Measure Air, Land, and Sea

    May 20, 2012; 5:00 AM ET

    The MODIS instrument on NASA satellites is one of the most versatile instruments in space.

  • NASA's Black Hole Hunter

    NASA's Black Hole Hunter

    May 11, 2012; 5:00 AM ET

    NASA has a new x-ray telescope that will be studying black holes.

  • Solar Eclipse This Month!

    Solar Eclipse This Month!

    May 6, 2012; 5:00 AM ET

    On May 20th, an annular solar eclipse will take place. Andrew Baglini has the details.

  • See May's Solar Eclipse

    See May's Solar Eclipse

    May 4, 2012; 5:00 AM ET

    On May 20, an annular solar eclipse will take place. Andrew Baglini has the details.

  • Breathtaking Journey across Earth

    Breathtaking Journey across Earth

    Apr 27, 2012; 5:00 AM ET

    Time lapse video from the International Space Station captures some amazing images.

  • Tornadoes From Space!

    Tornadoes From Space!

    Apr 20, 2012; 5:00 AM ET

    NASA's geostationary satellites caught the devastating tornado outbreak from April 14-15.

  • The Difficulties of Getting to Mars

    The Difficulties of Getting to Mars

    Apr 13, 2012; 5:00 AM ET

    Though we have successfully landed rovers on the red planet, getting there is no easy task!

  • Icy April Skies!

    Icy April Skies!

    Apr 6, 2012; 5:00 AM ET

    This month offers us a few glimpses at all the ice in our solar system.

  • Solar Energy Enough to Power New York?

    Solar Energy Enough to Power New York?

    Mar 30, 2012; 5:00 AM ET

    Unfortunately, there is no feasable way to harness it. However, you won't believe how much energy the Sun has been pelting us with!

  • Storm Chasing on Mars

    Storm Chasing on Mars

    Mar 23, 2012; 5:00 AM ET

    Dust devils to be specific. Mars is full of them, and NASA scientists have now given us a 3D look at one!

  • Could a Solar Flare Destroy the Earth?

    Could a Solar Flare Destroy the Earth?

    Mar 16, 2012; 5:00 AM ET

    Solar activity is ramping up in the year 2012; how harmful could it be?

  • Get Ready To See Some Rockets!

    Get Ready To See Some Rockets!

    Mar 9, 2012; 5:00 AM ET

    In the upcoming weeks, NASA will launch five rockets that will be visible to those in the mid-Atlantic.

  • Keep Your Eyes on the Sky!

    Keep Your Eyes on the Sky!

    Mar 2, 2012; 5:00 AM ET

    March brings a feast for stargazers, with plenty to look at all month long!

  • New Type of Planet: Waterworld!

    New Type of Planet: Waterworld!

    Feb 24, 2012; 5:00 AM ET

    The Hubble Telescope has discovered a new type of planet, composed mainly of water.

  • Is Venus Slowing Down?

    Is Venus Slowing Down?

    Feb 17, 2012; 5:00 AM ET

    Our neighbor planet's orbit seems to have slowed down since it last was observed.

  • Mission to Mars!

    Mission to Mars!

    Feb 10, 2012; 5:00 AM ET

    NASA has launched another rover to assess whether or not Mars is able to sustain life.

  • Earthlike Planets?

    Earthlike Planets?

    Feb 3, 2012; 5:00 AM ET

    NASA's Kepler Satellite has been discovering new planets whose conditions are suitable for life!

  • Solar Storms!

    Solar Storms!

    Jan 27, 2012; 5:00 AM ET

    A recent solar flare has caused a coronal mass ejection, leading to beautiful auroras.

  • Space Junk!

    Space Junk!

    Jan 20, 2012; 5:00 AM ET

    How many satellites clog up our planet's orbit? Also, get ready for the new moon!

  • Venus Hits the Spotlight

    Venus Hits the Spotlight

    Jan 13, 2012; 5:00 AM ET

    2012 shows the brightest Venus since March 2004. Meanwhile, Mars looks to make a return to the earlier evening hours.

  • Several Planets Shine Nicely at Year's End

    Several Planets Shine Nicely at Year's End

    Dec 23, 2011; 5:00 AM ET

    Several planets will put on a nice show as we wrap up the year 2011. A crescent moon will pair up with Venus and Neptune. Mars continues to become brighter. Saturn and Venus will also be easily identifiable.

  • Early Christmas Presents for Stargazers

    Early Christmas Presents for Stargazers

    Dec 16, 2011; 5:00 AM ET

    It's Christmas time and if you are an astronomy buff, the sky has a few presents for you this week. The thin crescent moon will pair up in the sky with Saturn and Mercury. The Ursid Meteor Shower will reach peak.

  • Moon vs. Meteors

    Moon vs. Meteors

    Dec 9, 2011; 5:00 AM ET

    Another meteor shower will be hampered by a bright moon this week. The moon will pair up with Mars, while Mercury will return to the early morning sky.

  • Total Eclipse of the Moon This Week!

    Total Eclipse of the Moon This Week!

    Dec 2, 2011; 5:00 AM ET

    A total lunar eclipse will be seen by millions across the world this week, but much of the United States will miss out. Meanwhile, it's another fine week to check out the two brightest planets.

  • The Red Planet Shines Brightly

    The Red Planet Shines Brightly

    Nov 25, 2011; 5:00 AM ET

    The Red Planet rises to prominence in the night sky as we head into December. Another target for your binoculars or telescope this week is the asteroid Eunomia.

  • Be Thankful for Clear Skies

    Be Thankful for Clear Skies

    Nov 18, 2011; 5:00 AM ET

    Some parts of the Southern Hemisphere will be treated to a partial solar eclipse this week. In the U.S., a few Leonid meteors can be spotted.

  • Leonids at Their Peak!

    Leonids at Their Peak!

    Nov 11, 2011; 5:00 AM ET

    One of the more prominent meteor showers peaks this week. However, a last quarter moon will be near the shower's radiant, reducing the number of visible meteors.

  • The Sky Is Full of Planets

    The Sky Is Full of Planets

    Nov 5, 2011; 5:00 AM ET

    Every planet in the solar system can be seen in the night sky this week. Mercury and Venus light up the evening sky, while Saturn returns to the early morning sky.

  • The Inner Planets Return to the Stage

    The Inner Planets Return to the Stage

    Oct 30, 2011; 5:00 AM ET

    Both Mercury and Venus will grace the evening sky during the second half of this week. Jupiter reaches peak visibility for 2011 this week.

  • The Sky Is Full of Planets

    The Sky Is Full of Planets

    Oct 28, 2011; 5:00 AM ET

    Every planet in the solar system can be seen in the night sky this week. Mercury and Venus light up the evening sky, while Saturn returns to the early morning sky.

  • The Inner Planets Return to the Stage

    The Inner Planets Return to the Stage

    Oct 21, 2011; 5:00 AM ET

    Both Mercury and Venus will grace the evening sky during the second half of this week. Jupiter reaches peak visibility for 2011 this week.

  • Saturn Hides, But Jupiter Shines

    Saturn Hides, But Jupiter Shines

    Oct 9, 2011; 5:00 AM ET

    Saturn is in conjunction with the sun this week, which means it will not be visible from Earth for a while. Meanwhile, Jupiter is nearing peak visibility for the year 2011.

  • The Draconids Are Coming!

    The Draconids Are Coming!

    Sep 30, 2011; 5:00 AM ET

    The Draconid meteor shower, usually a dull shower that produces only a few meteors an hour, has the potential to produce up to a thousand per hour when it peaks late this week.

  • September Fades Away, but Venus Returns

    September Fades Away, but Venus Returns

    Sep 22, 2011; 5:00 AM ET

    After a two-month absence, keen observers can spot Venus just after sunset this week. The sky will be favorable for viewing the zodiacal light during the final week of the month.

  • Chilly Nights, Cool Sights

    Chilly Nights, Cool Sights

    Sep 18, 2011; 5:00 AM ET

    Autumn arrives in the Northern Hemisphere this week and these longer nights mean more opportunities to stargaze. Uranus reaches opposition this week, meaning it is at its peak visibility for the calendar year 2011.

  • Giant Jupiter Dominates the Late-Summer Sky

    Giant Jupiter Dominates the Late-Summer Sky

    Sep 9, 2011; 5:00 AM ET

    A full moon occurs this week near the time of apogee. Jupiter continues to shine brightly, but not for much longer.

  • A Pair of Meteor Showers This Week!

    A Pair of Meteor Showers This Week!

    Sep 2, 2011; 5:00 AM ET

    Two meteor showers will entertain stargazers this week, although neither will produce as many meteors as some of the more prominent showers.

  • Big Week for a Small Planet

    Big Week for a Small Planet

    Aug 26, 2011; 5:00 AM ET

    Mercury will shine brightly in the eastern sky in the 90 minutes before sunrise this week. Bright star Regulus can be seen with binoculars near Mercury.

  • Waning Moon Has a Busy Week

    Waning Moon Has a Busy Week

    Aug 12, 2011; 5:00 AM ET

    Our moon begins its retreat back to its new phase this week. Meanwhile, the moon will pair up with a few planets this week, making for some cool sights in the night sky.

  • Now Is the Time to View Neptune

    Now Is the Time to View Neptune

    Aug 19, 2011; 5:00 AM ET

    Neptune reaches opposition and is as bright as it gets. Mars and the thinning moon pair up in the morning sky.

  • Peaking Perseids

    Peaking Perseids

    Aug 5, 2011; 5:00 AM ET

    The Perseid Meteor Shower reaches its peak on Aug. 13, just as the moon reaches its full phase. Mars shines brightly in the constellation Gemini.

  • Asteroid Vesta in the News....in Your Telescope, too?

    Asteroid Vesta in the News....in Your Telescope, too?

    Jul 29, 2011; 5:00 AM ET

    The brightest asteroid in the Asteroid Belt, Vesta, reaches its peak visibility this week, while the Dawn Spacecraft continues its orbit. A waxing Moon pairs up with Saturn low in the southern sky just after sunset.

  • Delta Aquarid Meteors

    Delta Aquarid Meteors

    Jul 22, 2011; 5:00 AM ET

    One of the year's best meteor showers peaks this week, and conditions will be nearly perfect for viewing. Mars will pair up with the thin crescent moon low in the eastern sky.

  • Jupiter in July Is a Joy

    Jupiter in July Is a Joy

    Jul 17, 2011; 5:00 AM ET

    Enormous Jupiter, shining about 10 times brighter than any star, rises in the eastern sky an hour or so after midnight EDT this week. The last quarter moon will be found to the right of Jupiter late in the week.

  • Happy New Year, Neptune!

    Happy New Year, Neptune!

    Jul 10, 2011; 5:00 AM ET

    After 165 Earth-years since its discovery, Neptune has finally made a full trip around the sun. The 'Full Thunder Moon' occurs at 2:40 a.m. EDT on July 15.

  • Earth Reaches Aphelion, So Why Is It So Hot?

    Earth Reaches Aphelion, So Why Is It So Hot?

    Jul 1, 2011; 5:00 AM ET

    Earth is as far away from the sun as it gets during its yearly orbit this week. Mercury and Saturn can be spotted during the evening, while Jupiter is a great early morning target.

  • Now Is the Time to Spot Pluto!

    Now Is the Time to Spot Pluto!

    Jun 24, 2011; 5:00 AM ET

    Pluto reaches 'opposition' early in the morning on June 28, meaning it is as bright as it ever gets when viewed from Earth. The first of July's two new moons occurs at 4:54 a.m. Eastern Time on July 1.

  • Celebrate the Solstice

    Celebrate the Solstice

    Jun 17, 2011; 5:00 AM ET

    A look at the Earth's axial tilt, the reason for the seasons. Also, the moon dances with a few planets this week.

  • Another Eclipse Miss for the United States

    Another Eclipse Miss for the United States

    Jun 10, 2011; 5:00 AM ET

    The Eastern Hemisphere will enjoy the beauty of a total lunar eclipse this week. Jupiter is returning to prominence in the early morning sky.

  • Saturn Steals the Show This Week!

    Saturn Steals the Show This Week!

    Jun 3, 2011; 5:00 AM ET

    Brilliant Saturn pairs up with the second brightest star in the constellation Virgo, Gamma Virginis, this week. The first quarter moon occurs at 10:11 p.m. EDT on June 8.

  • Polar Regions Get Partial Solar Eclipse

    Polar Regions Get Partial Solar Eclipse

    May 29, 2011; 5:00 AM ET

    Parts of the world, but not the United States, will have a partial solar eclipse this week. Saturn puts on a nice show in the evening this week, while Uranus and Neptune can be seen after midnight.

  • A Busy Week for the Moon

    A Busy Week for the Moon

    May 22, 2011; 5:00 AM ET

    The moon will pair up with Neptune early in the week. Our only natural satellite will be in its last quarter phase on May 24. This will be followed by lunar apogee on May 27.

  • The Full Flower Moon Lights Up the Night Sky

    The Full Flower Moon Lights Up the Night Sky

    May 15, 2011; 5:00 AM ET

    This week's full moon, known to early Native American tribes as the Full Flower Moon, occurs on the 17th. The planetary cluster of Mercury, Venus and Mars is a morning treat again this week.

  • Morning Planet Spectacular!

    Morning Planet Spectacular!

    May 8, 2011; 5:00 AM ET

    Venus and Jupiter are joined at the hip this week. One of the largest asteroids in the Asteroid Belt will be at opposition this week, making it appear brighter than normal.

  • Another Meteor Shower Peaks This Week!

    Another Meteor Shower Peaks This Week!

    May 1, 2011; 5:00 AM ET

    The annual Eta Aquarid meteor shower takes place this week, with meteor rates of about 50 meteors an hour under ideal conditions. Try and spot the very thin crescent moon near Mercury, Jupiter and Ma

  • Darkening Skies Mean Great Views

    Darkening Skies Mean Great Views

    Apr 24, 2011; 5:00 AM ET

    Bright Saturn is still putting on a great show, a handful of Lyrid meteors are still visible, and the crescent moon will pair up with Venus.

  • The Lyrid Meteor Shower Peaks!

    The Lyrid Meteor Shower Peaks!

    Apr 15, 2011; 5:00 AM ET

    The Lyrid meteor shower reaches its peak this week; about 20 meteors per hour can be seen in the few hours before dawn on the 22nd. Another big full moon will occur early in the week.

  • It's Warming Up! Get Out and Enjoy the View!

    It's Warming Up! Get Out and Enjoy the View!

    Apr 10, 2011; 5:00 AM ET

    Several planets are visible with the naked eye this week. Saturn is still particularly bright. Venus and Mars will put on a show in the early morning hours.

  • Spectacular Saturn Shines This Week!

    Spectacular Saturn Shines This Week!

    Apr 3, 2011; 5:00 AM ET

    Saturn will appear brighter than it has in about 3 years this week. The new moon will keep the sky nice and dark for viewing the ringed planet.

  • A Busy Week for Perseus

    A Busy Week for Perseus

    Oct 1, 2010; 6:57 AM ET

    Perseus has a visit from Comet Hartley this week, and its binary star Algol gets dimmer!

  • As September Comes to a Close, Animals Rule the Sky

    As September Comes to a Close, Animals Rule the Sky

    Sep 26, 2010; 5:00 AM ET

    Around 9 p.m. on Sept. 27, look for the Pleiades Star Cluster in the East.

  • Animals Above

    Animals Above

    Sep 24, 2010; 5:00 AM ET

    As September comes to a close, animals rule the sky!

  • Cosmic Competition

    Cosmic Competition

    Sep 19, 2010; 5:00 AM ET

    During this busy week in the sky, two planets will compete with a comet, an asteroid and a queen.

  • Polluted Stargazing

    Polluted Stargazing

    Sep 10, 2010; 5:00 AM ET

    Even if you do not live under dark rural skies, you can still enjoy stargazing!

  • Seeing Spots

    Seeing Spots

    Sep 5, 2010; 5:00 AM ET

    Grab your telescopes to catch a glimpse of Jupiter's Great Red Spot this week!

  • Chance for a Hit-or-Miss Shower

    Chance for a Hit-or-Miss Shower

    Aug 29, 2010; 5:00 AM ET

    The Alpha Aurigid meteor shower peaks this week, and Mars and Venus dance with a star!

  • Fishing for a Comet

    Fishing for a Comet

    Aug 23, 2010; 9:14 AM ET

    Comet Tempel and Jupiter remain paired with sea creatures this week and put on a WHALE of a show!

  • Sing a Happy Neptune

    Sing a Happy Neptune

    Aug 15, 2010; 5:00 AM ET

    Neptune will be at its best and brightest this week, while Venus and Mars move closer together!

  • The Peak of the Perseids: 100 Meteors Per Hour Possible

    The Peak of the Perseids: 100 Meteors Per Hour Possible

    Aug 6, 2010; 5:00 AM ET

    Up to 100 meteors per hour could be visible from a dark location as the Perseid meteor shower peaks this week!

  • Meteors In Moonlight

    Meteors In Moonlight

    Jul 25, 2010; 5:00 AM ET

    How many meteors will you see when the Delta Aquarid and Capricornid meteor showers peak this week?

  • A Whale of a Comet

    A Whale of a Comet

    Jul 18, 2010; 5:00 AM ET

    Grab your telescopes this week to catch Comet Tempel, and four of Saturn's moons!

  • Eclipse Cruising

    Eclipse Cruising

    Jul 9, 2010; 5:00 AM ET

    Want to see an Eclipse without vampires? Head to the South Pacific!

  • Summer Scorpion

    Summer Scorpion

    Jul 2, 2010; 5:00 AM ET

    Keep your eyes to the sky after the fireworks to see a different kind of sky show this week!

  • The Herdsman Meteors

    The Herdsman Meteors

    Jun 27, 2010; 5:00 AM ET

    The June Bootids peak this week, and Lisa Beightol shares some facts about the southern hemisphere night sky.

  • The Solstice and the Eclipse

    The Solstice and the Eclipse

    Jun 20, 2010; 5:00 AM ET

    A solstice occurs this week, and some lucky observers will get to see a partial lunar eclipse.

  • The Comet and Asteroid Show

    The Comet and Asteroid Show

    Jun 13, 2010; 5:00 AM ET

    A comet and a well-known asteroid are at their best this week. Grab your telescope to catch a glimpse.

  • Planetary Line Dancing

    Planetary Line Dancing

    Jun 10, 2010; 2:00 AM ET

    Mercury makes a comeback this week, and Venus does a line dance with the Twin Stars.

  • Lagoon Moon

    Lagoon Moon

    May 31, 2010; 12:30 AM ET

    The Moon and Asteroid Ceres both pass by the beautiful Lagoon Nebula this week.

  • Sideways Giants and Outcast Dwarfs

    Sideways Giants and Outcast Dwarfs

    May 23, 2010; 5:00 AM ET

    Jupiter pairs up with a sideways giant this week, and Pluto snuggles up in a cloud.

  • Jewels In The Sky

    Jewels In The Sky

    May 17, 2010; 5:00 AM ET

    Be on the lookout for a string of sky jewels this week, including Saturn and its nearly edge-on rings!

  • The Lion and The Bull

    The Lion and The Bull

    May 9, 2010; 5:00 AM ET

    Check out Leo's galaxies this week, and don't miss Venus between the horns of Taurus the bull.

  • The Lion and the Bull

    The Lion and the Bull

    May 07, 2010; 5:00 AM EDT

    Check out Leo's galaxies this week, and don't miss Venus between the horns of Taurus the Bull.

  • Messiers And Meteors

    Messiers And Meteors

    Apr 30, 2010; 8:00 PM ET

    Check out the Maiden's Messiers and May's meteors this week!

  • A Good Hair Day

    A Good Hair Day

    Apr 25, 2010; 5:00 AM ET

    Grab your telescopes and comb the SPIRALS in Berenices Hair this week!

  • The Bull, the Beehive, and the Harp

    The Bull, the Beehive, and the Harp

    Apr 18, 2010; 5:00 AM ET

    Grab the bull by the horns and look to the sky this week for Taurus, the Beehive Cluster, and Lyrid meteors!

  • Eye on Two Horizons

    Eye on Two Horizons

    Apr 9, 2010; 9:00 AM ET

    Jupiter and Saturn appear at dawn on opposite horizons this week! Lisa Beightol has the details.

  • Planets Aplenty

    Planets Aplenty

    Apr 5, 2010; 5:00 PM ET

    Four planets and an asteroid are visible as the sun goes down this week! Grab your binoculars!

  • Mercury Returns

    Mercury Returns

    Mar 26, 2010; 5:00 AM ET

    Don't be an April fool, check out Mercury as it pairs up with Venus in the west at sunset this week!

  • SPRING Ahead

    SPRING Ahead

    Mar 12, 2010; 5:00 AM ET

    Changing the clocks ahead means one less hour of sleep, and less observing time! Take advantage of a dark sky with a new moon this week!

  • Two Small Cats

    Two Small Cats

    Mar 5, 2010; 5:00 AM ET

    Small cat constellations Lynx and Leo Minor offer big surprises for observers this week!

  • One Wild Comet

    One Wild Comet

    Jun 15, 2010; 6:57 AM ET

    Catch a "wild" comet and a ringed planet in the constellation Virgo this week!

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