New research shows that an intense regional dust storm transported unusually high amounts of water vapor into Mars’ upper atmosphere, boosting hydrogen escape. The discovery reshapes understanding of ...

About 85 percent of the matter in the universe is thought to be dark matter, yet there is still no confirmed direct detection of any dark matter particle. Ground-based detectors, space-based ...

In the remote Racetrack Playa of Death Valley National Park, California, massive boulders—some weighing up to 300 ...