Supermassive black holes lurk at the centers of massive galaxies, including our own Milky Way. Puzzlingly, supermassive black ...

A massive galaxy from less than 2 billion years after the Big Bang is baffling astronomers because it shows no sign of ...

Astronomers using the James Webb Space Telescope have spotted something that shouldn’t exist—at least not so early in the ...

Astronomers using NASA’s James Webb Space Telescope have created the clearest map yet of the universe’s “cosmic web” — the enormous hidden structure that connects galaxies across space. By analyzing ...

Astronomers using the James Webb Space Telescope have made a surprising discovery about a galaxy long, long ago and far, far ...

Unexpected cosmic find: Webb identified an early-universe galaxy with no rotation, a trait normally seen in much older systems. Challenging galaxy models: The discovery contradicts expectations that ...

New simulations show that early ultraviolet light controlled whether ultra-faint dwarf galaxies could form stars.

Astronomers using the James Webb Space Telescope (JWST) have captured the most detailed look yet at how galaxies formed just a few hundred million years after the Big Bang – and found they were far ...

Mysterious blasts of radio waves from across the universe called fast radio bursts help astronomers catalog matter. ESO/M. Kornmesser, CC BY-SA Chris Impey, University of Arizona If you look across ...

Whether the universe will “end” at all is not certain, but all evidence suggests it will continue being humanity’s cosmic home for a very, very long time. Our understanding of the future of the ...