Physicists may have a brand-new way to measure the expansion rate of the universe — one of the biggest outstanding mysteries in cosmology — using space-time ripples predicted by Einstein. A new study ...

After more than a decade of development, NASA’s Nancy Grace Roman Space Telescope is entering final preparations for an early ...

NASA unveiled a new telescope on Tuesday to scan vast swaths of the universe for planets outside our solar system and probe ...

GREENBELT, Md.—On Tuesday NASA administrator Jared Isaacman set an early September launch window for the Nancy Grace Roman ...

NASA has completed its next space observatory, built to create sharp, panoramic maps of the universe while revealing how the ...

Add Yahoo as a preferred source to see more of our stories on Google. Solutions to Einstein's famous equations back in the 20th century describe 'wormholes,' or tunnels through space-time. Mark ...

When black holes collide, the crash generates ripples in the fabric of spacetime—gravitational waves. These distortions travel far out into the universe, but by the time they reach Earth, they have ...

Wormholes are often imagined as tunnels through space or time — shortcuts across the universe. But this image rests on a misunderstanding of work by physicists Albert Einstein and Nathan Rosen. In ...

Astronomers detect the most powerful space laser from colliding galaxies 8 billion light-years away, offering rare insights ...

The science fiction blockbuster wowed audiences with its depiction of space travel and more. Here's what NASA staff and other ...

NASA on Tuesday unveiled the Nancy Grace Roman space telescope, a powerful new observatory designed to map the universe and ...