Pearl Jam's Eddie Vedder calls astronauts on space station for Earth Day chat (video)

The penultimate Moon mission, Apollo 16, almost didn't land. But a gutsy last-minute decision to go for it gave astronauts the chance to roam and sample the ancient lunar highlands, offering a window some 3.5 billion years into the Moon's past.

Bernie Sanders Urges Congress to Reject Bailout for Bezos Space Company

Here’s Something Rare: a Martian Crater That isn’t a Circle. What Happened?