A top a mountain in Chile, where the days are dry and nights are clear, a team of scientists and engineers is preparing for ...

Dr. Caitlin Casey, an observational astronomer, has recently joined the physics department at UC Santa Barbara. She co-leads the C.O.S.M.O.S. collaboration — a project distinguished by its deep ...

Galaxies, including the Milky Way, grow from thick, turbulent disks into layered structures. JWST’s images show this process ...

I’ve spent much of my long life studying — and trying to understand — the history of the universe. Along the way, I have been constantly reminded that science is essentially international: Science ...

When it comes to telescopes, there are no bigger names than Hubble and Webb, but why have two space telescopes anyway, how ...

This unprecedented view of the Bullet Cluster provided by the James Webb Space Telescope and the Chandra X-ray Observatory ...

NASA's James Webb Space Telescope (JWST) has produced a new image of the Bullet Cluster, which is a titanic collision between ...

The James Webb Space Telescope has discovered its first exoplanet, astronomers said on June 25, capturing rare direct images ...

An object dubbed 3I/ATLAS is only the third interloper from outside the Solar System seen in all of human history.

NASA’s James Webb Space Telescope began its legendary mission unfolding the secrets of our universe and producing some of the ...

When it comes to star formation, not all galaxies are the same. Some are quenched, meaning they've depleted their star ...

It's only the third time that experts have spotted an object in the Milky Way that's come from a different solar system. Find out more here.