Mars has hosted a surprising number of robotic visitors, yet the question of where humans should touch down remains wide open ...

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 ...

Mars has long been cast as a world that lost its chance at life early, a frozen relic that dried out billions of years ago. A wave of new research is now challenging that script, arguing that pockets ...