Competitive swimmers know that swimming underwater causes less drag resistance than swimming at the surface. Splashing around making waves isn't the most efficient way to swim. Any energy spent ...

A Blue Origin spacecraft will attempt to mimic lunar gravity in a daring maneuver during a planned Tuesday morning launch ...

British scientists are hoping to monitor Antarctic krill from space as the species faces growing threats from climate change and overfishing.

Blue Origin is targeting Feb. 4 for the 29th launch of its New Shepard suborbital rocket, which was postponed from Jan. 28 ...