What can carbon deposits on Mars tell scientists about whether life could have once existed on the Red Planet? This is what a recent study published in Science hopes to address as an international ...

A party hat-shaped object spotted on Mars is drawing renewed scrutiny, with some experts suggesting it could be evidence of something major while others offered a trashy explanation for the cone. The ...

When a Mars rover accidentally crushed a small rock and exposed a flash of vivid yellow inside, it turned a routine drive into one of the most intriguing discoveries of the mission. The fractured ...

Symmetrical wave ripples identified with NASA’s Curiosity rover in ancient lake deposits at Gale crater provide a key paleoclimate constraint for early Mars: At the time of ripple formation, climate ...

In this age of Mars rovers, questions about the planet's ancient past have shifted. A growing body of evidence supports the ...

Billions of years ago, Mars was warm, wet, and capable of sustaining liquid water on its surface. Scientists have long believed the Red Planet once had a dense atmosphere rich in carbon dioxide (CO₂), ...

Scientists have discovered traces of organic molecules on the Red Planet and are not ruling out the possibility that they were produced by living organisms.

NASA's Mars Curiosity rover photographs Peace Vallis, an ancient river channel, on Aug. 25, 2025. - NASA / JPL-Caltech / MSSS NASA's Curiosity rover took advantage of a clear winter day to snap new ...

NASA’s Curiosity rover is getting a firsthand look at a region on Mars previously only seen from orbit that features a "boxwork" pattern, along with evidence of ancient waterways, including rivers, ...