In the 1990s, Game of Thrones mastermind George R. R. Martin wrote a pilot for a sci-fi series that was like Sliders meets ...

At 4:56 a.m. EST (0956 GMT) on Feb. 17, the moon will begin to turn the sun into an impressive "ring of fire" during an ...

While imperceptible to humans, these tiny delays are significant for experiments that rely on pulsars as ultra-precise cosmic ...

NASA's plans for Mars sample return are effectively cancelled as part of a bill approved by the U.S. Congress, ending efforts ...