For decades, scientists have debated whether Mars once had a large ocean. Images from orbiters have shown valleys, channels ...

A new study shows how simulated Mars dust affects tardigrades, offering insight into space farming and contamination risks.

Mars is about half Earth’s size and roughly a tenth its mass — not really the sort of planet you’d expect to leave fingerprints on Earth’s climate history. Yet a new set of simulations by an ...

(NEW YORK) — Mars is a cold, dry, desert-like planet. But billions of years ago, scientific evidence suggests that it had a thick atmosphere, which kept it warm enough to support flowing water on its ...

Study in the International Journal of Astrobiology tests how water bears survive in simulated Mars soil, revealing how regolith may limit Earth microbes and what it means for planetary protection and ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Mars is racing through time ...