New research suggests Mars may have remained habitable much longer than scientists once thought. Ancient sand dunes in Gale Crater appear to have been soaked by underground water billions of years ago ...

A new laboratory experiment is adding weight to one of science’s strangest possibilities: that life may travel between planets. Researchers have been testing whether microscopic organisms could ...

Scientists demonstrate that recycled human waste can unlock nutrients in Martian dust, offering a new path for farming on Mars.

In a series of experiments at Johns Hopkins University, Lily Zhao fired tiny samples of a microorganism with a room-sized gas ...