Of all the great and wondrous things that we can view in our sky, in my opinion the top four are (in descending order of merit) a total eclipse of the sun, a beautiful manifestation of the northern lights, a real "shower" of shooting stars and a great comet with a long tail.
A Comparative Climatology Symposium held at NASA Headquarters on May 7 focused on new approaches to climate research by highlighting the similarities and contrasts between the environments of the rocky worlds Venus, Earth, Mars and Saturn’s smoggy moon Titan.
The organism thrives at 5 degrees Fahrenheit (minus 15 degrees Celsius), and holds clues to adaptations that might be necessary for life on Mars or Saturn's moon Enceladus, where temperatures are well below freezing.
Small space rocks are carving fresh craters into the Martian surface more often than previously thought, researchers say. A new study finds that there are more than 200 asteroid impacts on the Red Planet every year.
A 3D printer is slated to arrive at the International Space Station next year, where it will crank out the first parts ever manufactured off planet Earth.
The iconic Ring Nebula may seem like just a stunning circle of wispy interstellar gas, but new images from the Hubble Space Telescope reveal it to be more like a deep-space jelly doughnut, scientists say.
If an extreme solar storm aimed at the Earth hits in just the right way, it could put interconnected electrical grids around the world at serious risk, experts say.
Whether or not NASA's Kepler spacecraft can bounce back from the malfunction that has stalled its search for alien planets, the mission's place in history is assured, scientists say.
Dec 14, 2012; 5:00 AM ET The Mars Science Laboratory Rover 'Curiosity' continues its sampling and analyzing of the Martian surface.
