James Webb Space Telescope

Finally, JWST's Data on the First TRAPPIST-1 Planet. Survey Says? It Sucks

With the James Webb Space Telescope’s ability to detect and study the atmospheres of distant planets orbiting other stars, exoplanet…

3 days ago

JWST Sees So Many Galaxies, and It's Just Getting Started

Hubble Space Telescope's Deep Field revealed thousands of galaxies in a seemingly empty spot in the sky. Now, the James…

2 weeks ago

“The Universe Breakers”: Six Galaxies That are Too Big, Too Early

In the first data taken last summer with the Near Infrared Camera (NIRCam) on the new James Webb Space Telescope,…

1 month ago

Galaxies Aren’t Just Stars. They’re Intricate Networks of Gas and Dust

Astronomers have studied the star formation process for decades. As we get more and more capable telescopes, the intricate details…

1 month ago

Webb Sees Three Galaxy Clusters Coming Together to Form a Megacluster

The latest JWST deep-field image provides a breathtaking view of Pandora's Cluster, which was previously imaged by Hubble.

1 month ago

JWST Unexpectedly Finds a Small Asteroid During ‘Failed’ Observations

While astronomers and engineers were trying to calibrate one of the James Webb Space Telescope’s instruments last summer, they serendipitously…

2 months ago

Good News! Webb is Fully Operational Again

The James Webb Space Telescope is back to full science operations. One of the telescope’s instruments, the Near Infrared Imager…

2 months ago

Webb NIRISS Instrument has Gone Offline

The JWST is having a problem. One of its instruments, the Near Infrared Imager and Slitless Spectrograph (NIRISS,) has gone…

2 months ago

By Blocking the Light From a Star, Webb Reveals the Dusty Disk Surrounding It

AU Microscopii is a small red dwarf star about 32 light-years away. It's far too dim for the unaided human…

2 months ago

JWST Pioneer Passes Along Advice for Future Space Telescope Builders

After a quarter-century of development, NASA's James Webb Space Telescope is a smashing success. But senior project scientist John Mather,…

3 months ago