On a battered rock in an ancient Martian riverbed, a pattern of dark, rounded patches has jolted planetary science. These ...

Everybody from NASA to David Bowie has wondered if there’s life on Mars – and now we might have a precise place to look for it. A new Caltech study has shown that photosynthetic microbes could thrive ...

Evidence is mounting that the same basic chemistry that made Earth habitable is unfolding, or once unfolded, on Mars. From ...

Was the planet Mars ever habitable and what conditions led to it becoming the uninhabitable world we see today? This is what a recent study published in the Proceedings of the National Academy of ...

Mars Discovery Raises Compelling Questions: Life or Chemistry? Results from NASA’s Perseverance rover reveal organic molecules, unusual minerals, and intriguing rock textures inside Jezero Crater’s ...

Jezero Crater’s rocks reveal three stages of water activity, shifting from hostile acidic fluids to more life-friendly alkaline ones. Perseverance’s discoveries guide future sampling and strengthen ...

A small group of scientists and engineers have proposed releasing metal nanorods into the atmosphere of Mars to make the planet more habitable for life. The researchers created models that point to ...