After exposing notoriously resilient microscopic animals called tardigrades to simulated Martian soil, they began to move extremely slowly ...

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

Mars’ frozen ice caps may be time capsules for ancient life. Lab experiments show that key building blocks of proteins can survive tens of millions of years in pure ice, even under relentless cosmic ...