The universe is expanding, but astronomers still cannot agree on exactly how fast. That mismatch, known as the Hubble tension ...

Scientists are testing a novel way to measure cosmic expansion using time delays in gravitationally lensed quasars. Their ...

New simulations of Milky Way-like galaxies reveal that the strange split between two chemically distinct groups of stars may ...

Researchers have found a razor-thin, rotating string of galaxies inside a massive cosmic filament, revealing unexpected ...

As Gen Alpha’s attention drifts from TV and movies, video creators like Alan Chikin Chow are eager to fill the void.

These gigantic structures, which contain hundreds or even thousands of galaxies bound together by gravity, offer important ...

Scientists hunted dark matter and solar neutrinos with one of the largest experiments yet. While the neutrinos likely ...

Tyson’s ultimate goal was to image large swathes of the sky, measuring how galaxies’ shapes distorted as their light ...

A newly-detected spinning galaxy filament is reshaping our understanding of cosmic structure, gas flows, and the origins of ...

Moments before the Big 12 championship game between No. 4 Texas Tech and No. 11 BYU, commissioner Brett Yormark made his last ...

Researchers have discovered a large, orderly spiral galaxy that formed soon after the Big Bang, when space was only about 1.5 ...

It’s always amazing, and more than a little humbling, when the universe reminds us that our “common sense” is provincial, ...