NASA confirms that Mars has air, but its composition and extremely low pressure raise a far more serious question: could a human survive even a single breath on the Red Planet? As the agency pushes ...

Mars is by far the most Earth-like planet in the solar system… but that's not saying much. We know that Mars once hosted oceans, rivers, lakes, streams. It had a thick, carbon-dioxide-rich atmosphere.

Add Yahoo as a preferred source to see more of our stories on Google. Siccar Point, photographed by the Curiosity rover, is near Mars' Gale Crater. NASA/JPL-Caltech/MSSS; Processing & License: Kevin M ...

Earth-based experiments on iron-sulfur alloys thought to comprise the core of Mars reveal details about the planet’s seismic properties for the first time. This information will be compared to ...

A former chief historian of NASA reflects on the history and future of Mars exploration Roger D. Launius The original 'Face on Mars' image taken by NASA's Viking 1 orbiter that resembled a human face ...

When I was in middle school, my biology teacher showed our class the sci-fi movie “Star Trek III: The Search for Spock.” The plot drew me in, with its depiction of the “Genesis Project” – a new ...