During the latter part of the 20th century, string theory was put forward as a unifying theory of physics foundations. String ...

“We proved that the Einstein field equation from general relativity is actually a relativistic quantum mechanical equation,” ...

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

For in the summer of 1916, a physicists managed to use general relativity’s intimidating field equations to calculate the curved space around a star to an exact solution. And what he found ...

Einstein’s general theory of relativity can be summed up in just 12 words: “Space-time tells matter how to move; matter tells space-time how to curve”. But this short description from the ...

Researchers say they may have achieved Einstein's vision of a "unified field theory" that can unite two of nature's ...

General relativity is an astonishingly beautiful theory, and grappling with why it disagrees with quantum mechanics is a joy, ...

It opened up an entire field of physics ... After thinking about the problems for 10 years, he published the general theory of relativity. In it, he suggested that gravity is not a force, as ...

In 1994, Miguel Alcubierre was able to construct a valid solution to the equations of general relativity that enable a warp drive. But now we need to tackle the rest of relativity: How do we ...

A new theory links gravity to quantum entropy and introduces the G-field, possibly explaining dark matter and cosmic ...