For those who watch gravitational waves roll in from the universe, GW250114 is a big one. It's the clearest gravitational ...

One such mystery, described in a recent paper in The Astrophysical Journal Letters, concerns circumbinary exoplanets—or ...

A newly detected gravitational wave, GW250114, is giving scientists their clearest look yet at a black hole collision—and a powerful way to test Einstein’s theory of gravity. Its clarity allowed ...

The curious minds at What If examine overwriting Einstein’s theory of relativity with time travel, imagining paradoxes, ...

Albert Einstein won the 1921 Nobel Prize in Physics, but not for relativity—the theory that made him famous. This article ...

Two researchers have found an explanation for why we find almost no exoplanets orbiting binary stars. According to them, ...

LIGO's GW250114 signal tests Einstein's relativity, revealing black hole properties and confirming key theorems in ...

Virginia man accused of double murder while having an affair, family au pair testifies Trump sues the IRS and Treasury Department for $10 billion over leaked tax records I test drove a Chinese EV. Now ...

Astronomers have found thousands of exoplanets around single stars, but few around binary stars—even though both types of stars are equally common. Physicists can now explain the dearth.

This puzzle is known as the problem of time, and it remains one of the most persistent obstacles to a unified theory of ...

Mind = blown.