No one has sent us a photo of planets above pyramids yet, but we hope someone will! Meanwhile, enjoy our friends' photos of the December 3 planets, which were seen from around the world.
Who would have imagined we'd be able to watch the seasons change in the atmosphere of Saturn's large moon Titan? The Cassini spacecraft makes it possible.
New observations by the MESSENGER spacecraft provide compelling support for the long-held hypothesis that Mercury harbors abundant water ice in its polar craters.
An atmospheric river is creating a lot of wind, rain, and snow across the west coast of the United States. The nasty weather will continue this weekend.