Manatee season at the Crystal River National Wildlife Refuge in Florida is November 1 to March 31. You can almost imagine the manatees breathing a sigh of relief.
U.S. winter of 2013-14 was only 1°F below average, but it followed two warmer-than-average winters. Did that fact make this winter seem colder than it was?
Physicist Andrei Dmitriyevich Linde is one of the main authors of inflationary universe theory. Watch his emotions as he learns his theory was proven true this week.
Millions of people in New York City and points north can watch late tonight (March 19-20) as the bright star Regulus winks out when the asteroid hides it from view.
The green flash is an optical phenomenon you can see shortly after sunset or before sunrise. For a second or two, the upper rim of the sun flashes green.