The Curiosity rover conducted a first-of-its kind experiment on Mars, detecting organic molecules that have never been ...

Scientists believe they found fresh proof of an ancient ocean on Mars in the form of a “bathtub ring” it left after it dried ...

NASA's Curiosity rover has identified new organic compounds on Mars, performing an experiment never before tried beyond Earth ...

NASA's Curiosity rover has identified more organic compounds on Mars as scientists strive to learn whether the Red Planet ...

A team of planetary scientists thinks they know how to start warming Mars: scatter billions of tiny engineered particles into its thin atmosphere and let the planet’s own winds do the rest. Their peer ...

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 ...

"This experiment's never been run before on another world," said Amy Williams, an astrobiologist working on the Curiosity ...

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 ...

Life on Mars sounds like something from a "Doctor Who" episode. But a study published in the International Journal of Astrobiology challenges the science fiction notion of that idea. The research ...

A new NASA-supported research study has discovered that some fungal spores can survive exposure to the extreme environment of ...