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 ...

Stephen Hawking's theory of black hole evaporation clashes with the laws of quantum mechanics. A new paper finds a way around ...

A major international effort has produced an ultra-precise measurement of the Universe’s expansion rate, confirming it’s ...

Subatomic particles, gravity wells and the beginning of the universe – these are difficult and mysterious concepts that are ...

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 ...

We all know that everything kicked off when the Big Bang exploded our universe into reality, right? Well, not necessarily. A ...

Using a new framework, astronomers arrived at the most precise measurement of our universe’s expansion rate—but things still ...

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

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 ...

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 ...

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

This is the center of the Heart Nebula or IC-1805 in the center is a cluster of stars known as Melotte 15. It is located in the Perseus Arm of the Galaxy in the constellation Cassiopeia. This is the ...