SpaceX will attempt to land the first stage of a rocket booster on its drone ship off the coast of an island in the Bahamas for the first time on Tuesday, the company said.

For a long time, scientists thought the Earth's inner core was a solid ball of metal, sort of like a planet within a planet ...

On Feb. 8, 2010, space shuttle Endeavour began its 24th trip into space, on the 20A assembly mission to the International ...