The further back into Earth’s history your mind wanders, the more work your imagination has to put in. That’s even more true for Mars. None of us have physically stepped foot on the present-day ...

On a good night, a fast driver can make it from downtown Los Angeles to the San Fernando Valley in 15 minutes, gliding across the slight rise of the Cahuenga Pass, pink neon from Universal Studios on ...

SANTA CRUZ, CA–A new study suggests that ancient features on the surface of Mars called valley networks were carved by recurrent floods during a long period when the martian climate may have been much ...

Tenaya Canyon and part of Yosemite Valley as seen from Glacier Point in Yosemite National Park. Tenaya Creek likely started to scour this granite canyon below Half Dome about 5 to 10 million years ago ...

Massive floods from overflowing and rupturing lakes carved deep chasms into the face of Mars during its ancient history, according to new research. The research, led by scientists at the University of ...