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NASA's orbiting Mars probe has spotted two surprises in the Red Planet's atmosphere: an unexplained dust cloud and a deep ultraviolet aurora.
For the first time for any Mars surface expedition, the Curiosity rover captures images of two Martian moons eclipsing each other.
The Curiosity Mars rover, slowly creeping across the floor of Gale Crater, is ready to attempt its first hands-on "contact science," studying a pyramid-shaped rock known as "Jake."
Final review submitted to White House Thursday presents five post-shuttle options, concludes NASA's planned shuttle replacement will cost too much and take too long.
New iBooks announced; include G4 processors, USB2.0, AirPort Extreme