MESSENGER's Latest Shots Of Mercury Are Some Of The Best We've Seen

After four years in orbit around Mercury, NASA's MESSENGER mission is sadly coming to an end. But before it plunges to its doom, mission controllers are taking full advantage of the spacecraft's close proximity to the surface. Here are some of the most detailed and vivid images ever taken of the Solar System's… » 3/17/15 7:00am 3/17/15 7:00am

Unusual Land Temperatures Reveal A Winter Of Stark Contrasts

If last month's weather seemed a bit off to you, you're right. Depending on which half of North America you dwell, February was characterized by either bitter cold and winter storms, or unusually warm temperatures. This new map from NASA shows just how anomalous — and divided — our current winter has been. » 3/10/15 7:20am 3/10/15 7:20am