A suitcase-sized quantum sensor could soon reveal hidden water, oil, and even underground mountains—all by tracking how atoms ...

Physicist Richard Lieu first explored the idea that gravity could exist without mass—now he’s got a new cosmological model ...

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

This new propulsion system could rewrite the rules of spaceflight—not to mention completely defy conventional physics.

In the vast universe, galaxies rotate in ways that don’t make sense if only visible matter is considered. For almost a ...

This mission will pave the way for groundbreaking observations of everything from petroleum reserves to global supplies of ...

"The singularity is the most mysterious and problematic part of a black hole. It's where our concepts of space and time ...

The former NASA astronaut said that skipping exercise in space can cost 1 per cent of body mass every month and can ...