The race to Mars has quietly become the defining contest of twenty-first century spaceflight, pitting a state-backed Chinese program, a commercially driven SpaceX campaign, and a methodical NASA ...

To land on the right foot on the Red Planet, European engineers have been dropping a skeleton of the four-legged ExoMars ...

Mars has hosted a surprising number of robotic visitors, yet the question of where humans should touch down remains wide open. As engineers refine maps of potential Mars landing sites, one location ...