Add Yahoo as a preferred source to see more of our stories on Google. The nearby Andromeda galaxy with older stars highlighted in blue. A new theory of quantum gravity could help explain why more ...

A team of physicists have proposed a new idea for uniting quantum mechanics and gravity, which they believe could explain the ...

Researchers say a new theory tackling the Big Bang could reshape how physicists think about the earliest moments of cosmic history.

For decades, astronomers have been puzzled by strange “zebra stripe” patterns in radio waves from the Crab Pulsar — bright bands separated by complete darkness. Now, new research suggests the answer ...

Dark matter is some kind of substance that has gravity—it holds galaxies together—yet cannot be directly seen with any ...

Scientists have spent decades trying to understand how gravity operates at its most basic scale. However, no theory has come close to fully explaining it. Now, though, a new theory could finally give ...

Spacecrafts don’t just rely on rockets—they use planets to pick up speed! Spacecrafts don’t just rely on rockets—they use planets to pick up speed! It’s called a gravity assist, and it’s one of the ...

“Wicked” stars Ariana Grande and Cynthia Erivo, who play Glinda and Elphaba in the movie adaptation of the musical, are set to perform at the 97th Annual Academy Awards on March 2. The duo has not ...

A view of the central region of the Perseus galaxy cluster, one of the most massive objects in the universe, shows the ...