Could a reactionless, gravity-defying propulsion system actually work? A former NASA engineer says yes, but scientists are skeptical.

A group of fluid mechanics and physics researchers at the University of Pennsylvania have created the perfect pour-over coffee technique.

A leader in the defense research and development community who joined APL in 1983, he currently heads the lab's Air and ...

It’s just a piece of wood, but because it’s milled with precision, it can cost hundreds of dollars and can result in ...

VIPER, or Volatiles Investigating Polar Exploration Rover, was planned by NASA to be delivered by an Astrobotic Griffin ...