Mars has long been seen as one of humanity’s best hopes for colonization, but its harsh environment, freezing temperatures, ...

Mice flown aboard the International Space Station and exposed to Mars-like gravity for roughly a month showed only partial ...

Helicopters on Mars may sound like something from a science fiction novel — or perhaps just a typical "Doctor Who" episode. But actually, they're not fully confined to the world of sci-fi; after all, ...

Mars may be drenched beneath its surface, with enough water hiding in the cracks of underground rocks to form a global ocean, new research suggests. The findings released Monday are based on seismic ...

Mars may look like a frozen desert today, but new evidence suggests its watery past didn’t simply fade away quietly—it may ...

Add Yahoo as a preferred source to see more of our stories on Google. Physicists have worked out exactly how fast time passes on Mars compared with Earth. (CREDIT: Wikimedia / CC BY-SA 4.0) On Earth, ...

A new study suggests that some Martian glaciers may contain much higher quantities of water ice than previously thought. Although previous studies have postulated that the Red Planet's glaciers may be ...

Time moves differently on Mars — not in the Tibetan philosophy sense of the word, but in a measurable, physics-will-ruin-your-mission kind of way that's giving NASA engineers a real headache. As the ...

Mars is the fourth planet from the sun and has a distinct rusty red appearance and two unusual moons. The Red Planet is a cold, desert world within our solar system. It has a very thin atmosphere, but ...