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

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

Physicists have taken a bold step beyond Einstein's special theory of relativity, proposing an expansion of special ...

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

A new model of space-time may have provided the "first observational evidence supporting string theory," according to a study ...

Physicists think the insides of black holes may be complex mazes of tangled strings in higher dimensions Black holes, the ...

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

The new findings come from the Dark Energy Spectroscopic Instrument (DESI), which sits on a telescope at the Kitt Peak National Observatory in Arizona.

Physicists may need to come up with a new theory for how the universe works, after a dark energy experiment has produced confounding results.