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

This is a prediction of Einstein's General Theory of Relativity ... and curved while traveling through dark matter or the gravitational field of black holes in a distant galaxy, astronomers ...

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

Ostriker is responsible for groundbreaking discoveries that forever changed the way astronomers think about what the universe ...

Your head is actually aging faster than the rest of you. Before you freak out, though, know that it’s only by nanoseconds—90 ...

A novel way to find aliens might be through gravitational wave detection, Loeb says. He is interested in laser interferometry ...

The James Webb Space Telescope photographs a rare Einstein ring, a cosmic deception formed by gravitational lensing, giving us a glimpse of deep space and the universe's secrets.

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

Einstein's letters, theories, and Jewish legacy will live on in the hills of Jerusalem at the Hebrew University.

Webb captured an Einstein ring formed by a distant galaxy's light bending around a closer one. This rare alignment magnifies hidden galaxies.