Astronomers analyzing archival images from JWST have discovered an unexpectedly vast population of the smallest asteroids ...

By reverse-engineering James Webb Space Telescope (JWST) exoplanet data, a team of astronomers just spotted dozens of tiny ...

The James Webb telescope spent another year collecting instantly iconic space imagery. Here are some of our favorites.

The rate of expansion of the universe today is a figure known as the Hubble constant, which is typically measured in units of ...

The Phantom Galaxy (M74) has been imaged in infrared and optical light using the James Webb Space Telescope and Hubble Space ...

The odds of us finding extraterrestrial life anytime soon are pretty slim. But if there's anything that can deliver us a sign ...

This month marks three years since the James Webb Space Telescope was first launched, which still feels something like a ...

A new theory explains how dozens of mysterious planet pairs discovered by the James Webb Space Telescope, dubbed "JuMBOs," ...

Nicknamed the Firefly Sparkle, this galaxy existed just 600 million years after the Big Bang and gleams with 10 distinct star ...

Fresh corroboration of the perplexing observation that the universe is expanding more rapidly than expected has scientists ...

Astronomers have used NASA's James Webb Space Telescope to study what it takes to form galaxies. The Spiderweb protocluster ...

James Webb's latest capture of the Sombrero galaxy reveals intricate details of its dust distribution and minimal star ...