Near-surface water ice could supply essential resources for future human exploration on the Red Planet. Before sending people ...

Skylights, openings in the surface of Mars that descend down into caves, have been found on Mars, along with signatures for ...

NASA's Perseverance rover found rocks on Mars that on Earth usually form in tropical environments. That Mars once hosted ...

Eight "skylights" may be entrances to underground spaces where evidence of ancient microbial organisms could be found. The ...

We were as excited as anyone when MARSIS (the Mars Advanced Radar for Subsurface and Ionosphere Sounding) experiment announced there was possibly liquid water under the southern polar ice cap. If ...

Scientists have identified several caves carved by water and they may have held or have evidence of extraterrestrial life.

The quest to send humans to Mars is on: US President Donald Trump talked about it in his inauguration speech this year. Such an epic endeavor could help to answer fundamental questions about the Red ...

Scientists have mapped out ancient, large-scale river systems across the surface of Mars, providing compelling evidence of ...

Dark “slope streaks,” likely resulting from dust avalanches, stretch across an area of Mars called Acheron Fossae in this image from the High-Resolution Imaging Science Experiment (HiRISE) camera ...

For years, scientists have been looking for signs of liquid water just beneath the surface of Mars. The problem, though, is that the observations from various orbiting probes have been maddeningly ...

"It's been such a puzzle that there was liquid water on Mars, because Mars is further from the sun, and also, the sun was fainter early on." When you purchase through links on our site, we may earn an ...

Ancient Mars had liquid water, creating features like riverbeds and lakes. Much of Mars's water is now ice at the poles and possibly deep underground. Scientists are unsure why Mars lost most of its ...