Leo P, a tiny galaxy, stopped making stars after the universe’s reionization. Unlike most galaxies, it restarted billions of ...

Astronomers compile a large sample of an unusual class of objects in an effort to connect the dots to the early universe.

Ever since NASA’s James Webb Space Telescope was launched, it’s been revealing more about the universe than even most ...

When Pagan and DePasquale first receive the images, they appear in black and white. The colors are added to the image later, ...

Found less than a billion years after the Big Bang, these massive objects are upending astronomers’ timeline for how early ...

The James Webb Space Telescope identified one of the oldest supernovas, AT 2023adsv, revealing early universe phenomena ...

This colorful view of N79 centers on a star-forming molecular cloud complex in the Large Magellanic Cloud.

The James Webb Space Telescope's ancient "little red dot" galaxies have been seen as a sign of "broken cosmology." Feeding ...

The James Webb Space Telescope has spotted one of the earliest and most distant supernovas, marking the death of a stellar ...

The James Webb Space Telescope has captured a mid-infrared picture of Sagittarius A*, filling in a long-standing gap in ...