Mars is famous for its volcanoes, canyons and ancient river valleys, but some of its most active geology happens in slow ...

Time really does move faster on Mars, but the breakthrough that confirms it did not come from a spacecraft’s stopwatch. Instead, physicists have finally pushed Einstein’s equations far enough, and ...

You know how it goes: You’re trying to get some shut-eye in your bunk after a long shift of scraping samples of prebiotic material from red rocks in Utopia Planitia, and before you know it, your alarm ...