This idea is called the big bang model—which is an unfortunate name because it brings to mind a cosmos expanding like an ...

Quantum mechanics has always carried a quiet tension. At its core, the theory allows particles to exist in many states at ...

For decades, astrophysicists have wrestled with a basic but brutal question: how did black holes in the early Universe grow so huge, so quickly, without breaking the rules of physics. A new wave of ...

For weeks, social feeds have been flooded with breathless warnings that Earth will briefly “turn off” gravity for seven ...

Astronomers using the Event Horizon Telescope -- a planet-scale array of eight ground-based radio telescopes -- have ...

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

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 ...

Astronomers have long faced a strange contradiction: most stars are born in pairs, and ...

Published January 7 in the journal Nature, one paper tackled the age-old problem of nature’s construction with a bit of a twist: it suggests that living networks, like our brain, may use some of the ...

You might think galaxies can’t ever find each other in our runaway cosmos, but it turns out gravity can sometimes overcome ...

Learn why only 14 out of over 6,000 exoplanets orbit two stars, and how Einstein’s general theory of relativity may be to blame.