For over a century, physicists have grappled with one of the most profound questions in science: How do the rules of quantum ...

Einstein's theory of general relativity suggests that the "memory" of ancient events, such as black hole mergers, may be ...

"The universe is filled with a range of three-body systems, including the closest stars to Earth, the Alpha Centauri star ...

René Descartes said the only thing we can be certain about is that we think. But what is the nature of thoughts? Philosophers have pondered this for centuries.

A strange new conception of how time warps across the universe does away with cosmology's most mysterious entity, dark energy ...

Black hole singularities should not exist, according to theories of quantum mechanics. New tweaks to Einstein's equations of ...

Scientists have achieved an incredible feat—mapping the forces inside a proton with extreme precision, uncovering the immense ...

The mission—the Spectro-Photometer for the History of the Universe, Epoch of Reionization and Ices Explorer; or SPHEREx—will ...