Arnie said, "Get your a* to Mars", but is it really a good idea? We asked the experts about our Martian future.

Learn how bacteria survived a simulated asteroid impact and could travel between planets on asteroid debris.

Tiny life forms tucked into debris from an asteroid hit could catapult to other planets—including Earth—and survive, a new ...

A super-tough microbe may be able to survive being blasted from Mars into space—opening the door to interplanetary life ...

Searching for past or present life on Mars is the sole driving force behind every mission we send to the red planet, from ...

The idea that life can spread from world to world dates as far back as ancient Greece and the philosopher Anaxagoras.

Rice University biology professor Scott Solomon ponders those questions in his new book, "Becoming Martian: How Living in ...

NASA’s Curiosity rover has discovered tiny mineral nodules on Mars that suggest groundwater persisted on the planet much ...

Yellowstone’s predators battle it out, one of the earliest veggie-eaters found in Nova Scotia, COVID is disappearing in animals and how genes affect our lifespan.

Scientists may be one step closer in their hunt for signs of past life on Mars after the Curiosity rover's latest find.