A northern summer dust storm on Mars boosted high-altitude water escape, suggesting short-lived events may play a bigger role ...

For years, scientists have been looking for signs of liquid water just beneath the surface of Mars. The problem, though, is that the observations from various orbiting probes have been maddeningly ...

The quest to send humans to Mars is on: US President Donald Trump talked about it in his inauguration speech this year. Such an epic endeavor could help to answer fundamental questions about the Red ...

New research suggests Mars' slope streaks are the result of wind and dust, not water. © NASA/JPL-Caltech/University of Arizona In 1976, NASA’s Viking mission ...

Researchers are looking underfoot to uncover the mysterious past of Mars: Martian regoliths in the soil. Their water storage capabilities may help us understand the change in water on Mars over time.