SpaceX warns of failure in Wednesday's rocket landing

California-based SpaceX is already warning that failure is likely in Wednesday's attempt at landing its Falcon 9 rocket, following the launch of a European satellite into a distant orbit.

Don't stop me now! Superluminal travel in Einstein's universe

The story of the drawn-out development of Albert Einstein's revolutionary rewrite of the laws of gravity has been told many times, but over the past 100 years it has given us extreme stars and black holes, expanding universes ...

Camera on NASA's Lunar Orbiter survived 2014 meteoroid hit

On Oct. 13, 2014 something very strange happened to the camera aboard NASA's Lunar Reconnaissance Orbiter (LRO). The Lunar Reconnaissance Orbiter Camera (LROC), which normally produces beautifully clear images of the lunar ...

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