Mars's water disappeared somewhere, but scientists have been disagreeing for years about where exactly it went.

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

The current image of Mars as an arid and hostile desert contrasts sharply with the history revealed by its surface. Channels, ...

Mars, once a much wetter and more dynamic planet, is now a dry and inhospitable desert. The mystery of how the red planet lost its water has fascinated scientists for decades. A groundbreaking study ...

Mars today is a cold, dry desert, but its surface tells a very different story. Ancient river channels, lake basins, and ...

Add Yahoo as a preferred source to see more of our stories on Google. Mars doesn't get rain like Earth does, but dust storms are common on the red planet. NASA/JPL-Caltech/Univ. of Arizona Mars is a ...

Dust on Mars has a new voice. What once looked like silent red storms now crackles with tiny sparks, as if the planet were whispering with electricity right under your feet. For the first time, ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Curious Kids is a series for children of all ages. If you have a question you’d like ...