The quasi-periodic eruptions of X-rays from a black hole 300 million light-years away are unlike any researchers have ever ...

A pair of quasars that existed when the universe was only 3 billion years old has been spotted by the Hubble Space Telescope.

A distant galaxy that lay quiet for decades has suddenly stirred, lighting up in dramatic bursts that have caught astronomers ...

Since the James Webb Space Telescope (JWST) began science operations, astronomers have observed galaxies that existed more ...

Astronomers may have found the long-missing half of the universe's regular matter—and it appears to have been right under our ...

JADES-GS-z13-1-LA is a young galaxy shining just 330 million years after the Big Bang, signaling it's part of a process called reionization.

Data and Polls (grades 4-5): “This is a math class, but it’s almost like statistics and sociology,” Kapling says. Students ...

Scientists have discovered a sub-Neptune exoplanet, GI 410 b, using the radial velocity technique. It orbits a nearby star 39 light years from Earth and has a mass 8.5 times that of our planet. The ...

It’s the cosmological equivalent of having slid between the cushions down the back of the couch; that is the place you should ...

A supermassive black hole that scientists have nicknamed "Ansky" is now awake after a long dormant period, emitting powerful ...

The James Webb Space Telescope has indeed captured a stunning image of two interacting galaxies, NGC 2936 and NGC 2937, resembling a penguin and an egg. WR 124 is a rare and luminous Wolf-Rayet star, ...