Microbes blasted off a planet by an asteroid strike may survive the journey to another world, including Earth, according to a ...

Tiny life forms tucked into debris from an asteroid hit could catapult to other planets—including Earth—and survive, a new Johns Hopkins University study finds. The work demonstrates that a certain ...

Estimating a mass for a potentially hazardous asteroid (PHA) is perhaps the single most important thing to understand about ...

Microscopic crystals extracted from meteorites could help settle a debate about the birth of our patch of the Milky Way.

While aliens in science fiction hop between planets on vast spaceships, scientists say real-life extraterrestrials might take ...