The organic molecules discovered by NASA’s Curiosity rover could have been formed by life, but they could have also come from ...

Scientists edge closer to answering Mars’ biggest question: Did life ever exist on the red planet? Here's the latest from two ...

Mars may have once held a vast ocean across its northern lowlands, and the clearest clue may not be the faint shoreline ...

NASA's Curiosity rover has detected 21 organic molecules in a Martian rock sample, seven of them never before seen on Mars, using a first-of-its-kind wet-chemistry experiment. The compounds, preserved ...

Seven of the organic molecules were found for the first time ever on the Red Planet, including compounds that are chemical ...

New images from the Mars Express spacecraft show ancient volcanic ash spreading across the Red Planet.

NASA's Curiosity Mars rover took this selfie at a location nicknamed "Mary Anning" after a 19th century English ...

NASA's Curiosity rover has identified seven new organic compounds on the planet Mars, according to new research published in ...

NASA's Curiosity rover has found organic molecules on Mars that have never been detected before - hinting at the possibility ...

Learn about a new Curiosity experiment that found organic molecules on Mars, and what this could mean for life on the red ...

Ancient ripple layers on Mars capture a single sandstorm, helping scientists estimate how dense the planet’s atmosphere once ...

A team of scientists using the ChemCam instrument on NASA's Curiosity Mars rover has discovered the highest amounts of iron, ...