A photon emitted from a star a billion light-years away arrives at a telescope having experienced no time whatsoever. Not ...

Albert Einstein's general theories of relativity have been used to create tiny microscopic robots that can essentially "swim" ...

Now it seems that wormholes, those shortcut tunnels through time and space that Albert Einstein theorized and that science fiction depicts as portals between two distant galactic points, are at the ...

Add Yahoo as a preferred source to see more of our stories on Google. When black holes collide, the crash generates ripples in the fabric of spacetime—gravitational waves. These distortions travel far ...

A peer-reviewed paper published in The European Physical Journal C presents a modification to Einstein’s general relativity ...

The geometry of spacetime forms the very foundation of modern gravitational theory, where the elegant interplay between curvature and matter is described by Einstein’s field equations. In this ...

Einstein, Juan Maldacena, Mark Van Raamsdonk, Brian Swingle and other physicists have pushed modern physics into a place ...

Astronomers have finally watched a black hole twist spacetime in real time, catching the fabric of the universe itself wobbling under the grip of extreme gravity. Instead of a static snapshot, they ...