Angelo gets some life-altering news, while Dave and Jeff look for answers on Memory of a Killer, Season 1 Episode 6. Our ...

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

Hearty bacteria in a lab survived pressures comparable to an asteroid strike on the red planet, suggesting a hypothetical scenario in which our planet was seeded with life.

Houchin and his colleagues studied dozens of zircon crystals from the Jack Hills in Western Australia. These are the oldest known fragments of Earth rocks. Some date back to the Hadean Eon, which ...