Two tropical systems, Madeline and Lester, could pose hazards to Hawaii from the middle of the week into Labor Day weekend.
The number of shark attacks in the United States has been well below normal this year, and the dissipation of El Niño may be to thank.
President Obama visited flood victims in Louisiana this week, while several tropical systems were on the prowl in the Atlantic.
Stargazers will want to dig out their binoculars and telescopes this weekend as Venus and Jupiter shine so close that they appear as one large, bright star in the evening sky.
A team of researchers accidentally discovered a new clean burning "blue whirl" of fire that could help with oil spill cleanups and reduce carbon emissions.
The arrival of cooler air will put an end to a stretch of record heat along the coastal northwestern United States early this week.
Thousands of people are in the midst of digging through belongings and returning to flood-damaged homes after days of catastrophic rainfall in Louisiana.
The number of shark attacks in the United States has been well below normal this year, and the dissipation of El Niño may be to thank.Read Story >