A NASA spacecraft that has been circling Mars for more than two decades has spotted something it never has before in well over 100,000 orbits of the Red Planet. On a morning horizon in May, the ...

Stephen Smith is a managing editor for CBSNews.com based in New York. A Washington, D.C. native, Steve was previously an editorial producer for the Washington Post, and has also worked in Los Angeles, ...

Pillars of hot rock appear to connect continental-size moving blobs at the bottom of Earth's mantle to giant volcanic eruptions at its surface. When you purchase through links on our site, we may earn ...

NASA scientists say the images provide far more than just a striking never-before-seen view of the Martian geography. Studying the features detailed in Odyssey's photos could help NASA prepare for ...