The James Webb Space Telescope and the Chandra X-ray Observatory have captured the clearest image yet of a galaxy cluster in ...

Woven through the universe are forces, often unseen, that dictate its grand design. For example, at the very heart of nearly ...

Webb telescope data confirm a supermassive black hole fleeing its galaxy, carving a 200,000 light-year wake of new stars.

Ancient star clusters hold a surprise. Bright blue stars, appearing young, have baffled astronomers for decades. Now, James ...

A team of researchers using the James Webb Space Telescope has produced the most detailed map of dark matter to date.

"We found an unexpected chemical complexity, with abundances far higher than predicted by current theoretical models." ...

JWST and ESA’s Ariel mission plan coordinated exoplanet observations starting in 2030, combining high-resolution targeting and large-scale surveys to expand atmospheric data collection.

The atmospheres of exoplanets have been a focal point of the field lately, with the James Webb Space Telescope taking a look at as many as it can manage. But time on the world's most powerful space ...

Recent observations suggest that 'runaway' black holes are tumbling through the cosmos. Building on decades of theory, the discovery adds a remarkable new chapter to the story of the universe.

Fourth anniversaries aren’t often causes for celebration. But in the case of the James Webb Space Telescope (JWST), which launched on Dec. 25, 2021, this anniversary marks an important transition.

Using the James Webb Space Telescope (JWST), astronomers have discovered a new dwarf galaxy, which received designation ...

A distant star system with four super-sized gas giants has revealed a surprise. Thanks to JWST’s powerful vision, astronomers detected sulfur in their atmospheres — a chemical clue that they formed ...