Curiosity's Latest Wide-Angle Selfie Is Its Most Remarkable Photo Yet

Now would be a good time to update your desktop wallpaper. NASA's Curiosity Mars rover has snapped a spectacular — if not inexplicable — wide-angled self-portrait at the Mojave Site on Mount Sharp where the probe is currently drilling for samples. Here's how NASA created the extraordinary shot. » 2/25/15 6:40am 2/25/15 6:40am

NASA's Curiosity Rover Looks Like a Tiny Rivet on Mars' Surface

Do you see it? That incredibly tiny dot in the center of that blue perimeter. That is NASA's $2.5 billion rover, steadily working away and analyzing the Martian soil. This image was captured on Dec. 13, 2014 by the HiRISE camera housed inside NASA's Mars Reconnaissance Orbiter. » 2/09/15 5:21am 2/09/15 5:21am

Moroccan Meteorite May Be a 4.4-Billion-Year-Old Chunk of Martian Crust

Mars is often referred to as the Red Planet, but its signature color is only skin-deep. Beneath its rusty regolith, Mars has many other hues, including large dark regions formed by ancient lava flows. Now, researchers believe they may have found a pieceof Mars' dark plains here on Earth, in the form of a meteorite… » 1/31/15 3:11pm 1/31/15 3:11pm

A Look at How Mini Helicopters Could Help NASA's Future Rovers

Driving on the surface of Mars pretty much sucks. Even though the Opportunity rover celebrated its 11th anniversary on the Martian surface today, that robust little craft has also ran into tricky sand dunes and other perplexing surface anomalies. It sure would be nice if some aerial reconnaissance could identified… » 1/26/15 1:01am 1/26/15 1:01am

Obama Dreams of Space, But Where's the Money for a Mars Expedition?

During the State of the Union address, President Obama said stirring things about human spaceflight and the future. But these are the same dreams we've been talking about for years, and without more funding for NASA these dreams will fizzle instead of coming true. » 1/20/15 11:45pm 1/20/15 11:45pm

Kim Stanley Robinson Wanted To Go Hiking On Mars, So He Wrote Red Mars

Kim Stanley Robinson's Mars trilogy is one of the most important books about terraforming (and interplanetary colonization) of the past 20 years. And Robinson spent 10 years working on it, learning a lot about the subject as he went. But it all started becuase he fantasized about going backpacking on Mars. » 1/08/15 4:30pm 1/08/15 4:30pm