Using the James Webb Space Telescope, a team of international researchers have discovered chemical fingerprints of gigantic ...

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

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

An immensely powerful flash detected earlier this year was created by a massive star exploding when the universe was just ...

It’s a powerful technique, but small uncertainties at each step can add up, something critics argue may be behind the Hubble ...

Knotted structures once imagined by Lord Kelvin may actually have shaped the universe’s earliest moments, according to new ...

If not in visible stars and galaxies, the most likely hiding place for the matter is in the dark space between galaxies.

The Atacama Cosmology Telescope in Chile not only confirmed one of the greatest mysteries in the universe—it also ruled out ...

There is an important and unresolved tension in cosmology regarding the rate at which the universe is expanding, and ...

"It means cleaning house, narrowing the viable paths forward, and no longer spending energy on what are evidently dead ends." ...