On Tuesday afternoon, just about lunch time, a "flying saucer" was undergoing a spin test in a clean room at NASA's Jet Propulsion Laboratory.
The mystery of Mercury's excessively dark surface may have just been solved.
Jim Vanderploeg is a professor of Aerospace Medicine at the University of Texas Medical Branch in Galveston.
Scientists have found 30 never-before-seen species of flies buzzing about in the city of Los Angeles.
NASA's next marquee mission might be described as the great asteroid boulder pluck.
Florida has a python problem, and it may be worse than anyone thought.