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

Add Yahoo as a preferred source to see more of our stories on Google. Dark “slope streaks,” likely resulting from dust avalanches, stretch across an area of Mars called Acheron Fossae in this image ...

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 ...

There might be a hidden ocean's worth of liquid water below the surface of Mars, seismic evidence suggests. According to a new paper published April 25 in the journal National Science Review, ...

ITHACA, N.Y. (WBNG) -- After mistakenly identifying what appeared to be water on Mars’ south pole, Cornell researchers are offering an explanation. According to the Cornell researchers, their ...

Mars’ water disappeared somewhere, but scientists have been disagreeing for years about where exactly it went. Data from rovers like Perseverance and Curiosity, along with orbiting satellites such as ...

Was Mars a friendly planet for water, even life, in its ancient past? Huge channel networks run across its surface. Rocks show signs of water immersion. Yet pictures sent back from NASA's Curiosity ...

New discoveries by NASA's Curiosity Mars rover may not only explain why the Red Planet is a dry, lifeless desert, but that it may have been on an inevitable path to being a dead world despite being so ...

Planetary scientists have identified a previously unrecognized pathway for water loss on Mars -- observed, for the first time ...

Why did Mars lose its atmosphere and almost all of its water 3.7 billion years ago? The MAVEN spacecraft may bring us answers. Contact us at letters@time.com ...