0:26
Blood-red moon rises over San Francisco during total lunar eclipse
0:35
Total lunar eclipse observed from around the world
1:20
'March comes in like a lion and goes out like a lamb'—but does it really?
0:56
Frozen methane bubbles create one of nature's wildest optical illusions
1:19
What triggers avalanches?
1:44
How 'bomb cyclones' are formed
0:37
Is it dangerous to get back in your car while pumping gas?
1:12
What does it take for the Chesapeake and Delaware bays to freeze?
0:20
Astronaut captures 'cartwheel' time-lapse video over Earth from ISS
0:54
Six planets to align in the night sky in late February
0:51
Annular solar eclipse to soar on Feb. 17 over Antarctica
1:46
Students develop high-tech wildfire defense system to stop fires as soon as they start
1:17
Why does dry weather in the winter mean more static electricity?
0:22
Astronaut shows off yo-yo moves in zero gravity aboard space station
1:11
Let's break down some popular winter weather myths