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

Researchers say they discovered observational evidence of string theory, which could turn everything we know about the ...

Einstein believed that black holes didn't really exist. But they do: that much we know. We don't know much else about them.

Last month, the Dark Energy Spectroscopic Instrument (DESI) collective reported that dark energy is evolving—specifically weakening—and it could help provide the first observational evidence of string ...

In the vast universe, galaxies rotate in ways that don’t make sense if only visible matter is considered. For almost a ...

In their new book, Lydia Kang and Nate Pedersen survey flat Earth theory, fake moon landings and other scientific myths and why people believe them.

If dark energy is weakening, it stands to reason that eventually gravity will become dominant and the universe will begin to contract. In such a scenario, the universe would collapse back into a ...

The “lab-leak theory,” which was always the most obvious explanation, was further reinforced by scientists who saw evidence of possible manipulation of the virus’s genetic code, particularly ...

Before Einstein, special relativity, and E = mc2, what was the prevailing theory on the Sun's seemingly eternal energy?

"The three-dimensional world of ordinary experience—the universe filled with galaxies, stars, planets, houses, boulders, and ...