A new view of the biggest canyon in the solar system, merging hundreds of photos from NASA’s Mars Odyssey orbiter, offers scientists and the public an online resource for exploring the entire canyon ...

A huge scar carved into the surface of Mars has been captured in never before seen detail by the European Space Agency's (ESA) Mars Express orbiter. The huge canyon, named Aganippe Fossa, stretches ...

A satellite orbiting Mars has captured the best-ever images of a gigantic "scar" carved across the Red Planet's surface. The dark ravine, which is accompanied by unusual zebra-like stripes, is likely ...

Long before Mars turned into the frozen desert you see today, water shaped its surface in dramatic ways. Rivers cut through ...

Mars has its own version of the Grand Canyon, and scientists have learned this dramatic feature is home to "significant amounts of water" after a discovery made by an orbiter circling the red planet, ...

NASA’s Mars Reconnaissance Orbiter (MRO) has provided new high-resolution images of Candor Chasma, a massive canyon within Mars’ Valles Marineris. These images, captured by the HiRISE camera and ...

New research reveals that ancient Mars once hosted vast river drainage systems comparable in scale to some of Earth’s major ...

Scientists are now using some of the newest technology on Earth to unravel the most ancient secrets about the planet Mars. Member station KUNC's Rae Solomon has the story about how artificial ...

A stunning new video by the European Space Agency shows the vastness of Mars’ gigantic 2,500-miles-across Valles Marineris, the Red Planet’s equivalent of our Earth’s Grand Canyon. The flyover ...

New research is revealing similarities between Earth's Grand Canyon and ones on the red planet. It's informing future Martian exploration and settlement plans. Scientists are now using some of the ...