Something incredible just happened in our own cosmic backyard. For the first time from Earth, scientists have watched as a ...

New research suggests there may be a narrow window of possibility for life to persist on the icy moons of the outer solar ...

Scientists have uncovered surprising new behavior of Jupiter that directly affects Earth in ways we are only beginning to ...

Jupiter joins Mercury in early twilight as Mars lingers with Leo after dark. Saturn is visible in the morning, meeting ...