Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. The European Space Agency ...

Mars once had sprawling river systems that rivaled major watersheds on Earth, and scientists have now identified the biggest ones for the first time. Researchers mapped 16 massive drainage basins ...

NASA's Curiosity rover just found bizarre nodules on giant Martian "spiderwebs." Scientists are puzzled.

Skylights, openings in the surface of Mars that descend down into caves, have been found on Mars, along with signatures for the presence of water ice. When you purchase through links on our site, we ...

New research has mapped 16 extensive, interlaced river systems on Mars, dating back approximately 3.7 billion years to the Early Hesperian Period. These large river systems, despite covering only ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. A simulated view of a lake ...

Ancient Mars is starting to look less like a scattered patchwork of dried-up valleys and more like a planet once ruled by continent-scale rivers. For the first time, scientists have traced giant ...

A new image captured by the Mars Express orbiter offers a striking view of one of the most heavily cratered regions on Mars. The image shows part of Arabia Terra, a vast plain located in the planet’s ...

Scientists believe these rocks were formed by ancient rainfall, similar to how they form in tropical climates on Earth. The discovery adds to the evidence that Mars may have once been a habitable ...