The car-sized Curiosity rover has spotted evidence of once quite hospitable environs on Mars.

Trump says we're going to Mars. He may be making it harder to get there. President Donald Trump says we’re going to Mars, but ...

“it's going to give quite a history of what Mars was like billions of years ago, when there was water in the lake.” The problem is, bringing those samples home required multiple other ...

There’s been speculation that Donald Trump may cancel the Space Launch System rocket, which Nasa intended to use to get from ...