Galaxies

Astronomers and the public alike are delighting in the glittering depths of the universe revealed by the James Webb Space Telescope

Deep-field images of “empty” regions of the sky from JWST and other space telescopes are revealing more of the universe than we ever thought possible

Breathtaking pictures that include the deepest-ever infrared view of ancient galaxies offer a preview of the spectacular science in store for the most powerful space observatory in history

A new galaxy-packed picture from the James Webb Space Telescope offers a chance to rekindle our wonder about the universe

Jane Rigby, Webb’s operations project scientist, discusses how NASA plans to wring as much science as possible from the $10-billion observatory

The latest data release from the European Space Agency’s Gaia mission is sparking a frenzy of exciting new astrophysics research

Vast reaches of mostly empty space could offer superior odds for detecting the invisible substance thought to make up more than 80 percent of the material in the universe

THESAN—the largest, most detailed computer model of the universe’s first billion years yet made—is helping set expectations for observations from NASA’s James Webb Space Telescope

Using a technique to block certain wavelengths of light, researchers hope to discover many more hidden pulsars

Data from the CHIME radio observatory are a milestone in the quest to discover the hidden origins of universal structure

NASA and the German space agency ground the telescope on a plane, citing the astronomy community’s concerns over cost and productivity

A debate over conflicting measurements of key cosmological properties is set to shape the next decade of astronomy and astrophysics