NASA's Lunar Reconnaissance Orbiter has been orbiting the moon for 1,000 days. Celebrate by watching two new eye-popping videos from this lunar orbiter.
Two snow cover maps show the difference between snow extent in North America on March 3, 2011 and on March 5, 2012. The 2012 cover is spottier than the 2011.
It is technically winter, but the U.S. is experiencing record breaking warmth usually seen in early summer. Meanwhile, it's been cold in Europe and Asia.
Boom-and-bust acorn crops and a decline in mice leave humans vulnerable to infected ticks. Ticks carry Lyme disease, a debilitating disorder in humans.
EarthSky's Science Communicator of the Year says that telling people about how scientists work is a key to communicating the science of climate change.
Researchers have completed the genome sequence for the gorilla. It turns out that about 15% of our genome more closely resembles gorillas' than chimpanzees'.