Add Yahoo as a preferred source to see more of our stories on Google. Aided by the gravitational pull of Venus and the sun, NASA's Parker Solar Probe became the fastest man-made object in history when ...

Casimir cavities are mysterious spaces between microscopic metal plates in a vacuum. Areas of diminished energy between the plates cause them to push toward each other, as if trying to fill the ...

Warp drive has long been a narrative shortcut for science fiction, but a new generation of physicists is treating it as a serious, if distant, engineering problem. Instead of asking whether ...

A research paper proposes a fully physically realized model for warp drive. This builds on an existing model that requires negative energy—an impossibility. The new model is exciting, but warp speed ...

The USS Enterprise was an impossible dream rendered in fiber glass. Designed for Star Trek, it looked like a creation straight out of creator Gene Roddenberry’s imagination: Twin nacelles—those long, ...