When you buy through links on our articles, Future and its syndication partners may earn a commission. The CaSSIS camera aboard the European Space Agency's ExoMars Trace Gas Orbiter captures dark ...

Puzzles persist about possible water at seasonally dark streaks on Martian slopes, according to a new study of thousands of such features in the Red Planet’s largest canyon system. The study published ...

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Freelance writer Amanda C. Kooser covers gadgets and tech news with a twist for CNET. When not wallowing in weird gear and iPad apps for cats, she can be found tinkering with her 1956 DeSoto. We've ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The water thought to be responsible for Mars' intriguing seasonal dark streaks may be coming from ...

The evidence continues to mount. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Mars' bizarre dark streaks may not be so astrobiologically ...

First identified in the 1970s by NASA's Viking mission, long, dark markings snake down Martian slopes, sometimes stretching across Mars' surface for hundreds of feet. Scientists have watched some of ...