The James Webb Space Telescope has identified massive, short-lived stars that are essentially 'seeds' for the universe's ...

JWST peered at the glowing trail of stars left behind by a candidate runaway supermassive black hole deep in space, revealing ...

"You think that these things should not exist together, but there it is right in front of you, and it’s undeniable," ...

When astronomers look deep into the early universe, the expectation is simple. You should see young galaxies still assembling ...

But in the case of the James Webb Space Telescope (JWST), which launched on Dec. 25, 2021, this anniversary marks an important transition. Until now, JWST has been in discovery mode. A generation in ...

Mid-infrared observations from NASA's James Webb Space Telescope, shown in white, gray, and red, are combined here with X-ray ...

A recent study provides answers to three seemingly disparate yet pressing cosmic dawn puzzles. Specifically, the authors show ...

Using data from the James Webb Space Telescope, astronomers traced how Milky Way–like galaxies formed and changed over time.

Both NASA’s James Webb Space Telescope and Chandra X-ray Observatory caught these two galaxies in a close embrace.

Webb and Chandra reveal two spiral galaxies after an encounter, exposing heated gas, newborn stars and distorted arms, while ...

James Webb has spotted the most distant supernova ever seen, exploding just 730 million years after the Big Bang, offering ...

In this James Webb telescope image, the gigantic molecular cloud near our galaxy's center appears as a canvas of pink and ...