A planet the size of Saturn, orbiting a quiet star 330 light-years from Earth, has just become one of the few worlds outside ...

For decades, astronomers have known that galaxies are not scattered randomly through space. They cling to an enormous, mostly invisible network of dark-matter filaments, a structure so vast it dwarfs ...

Neptune has a complicated life story, and its moon Nereid might be the only one left standing from the planet’s ...

The galaxy, Messier 77, is known as "The Squid" due to its curling "tentacles" ...

JWST observations reveal dramatic cloud cycles on exoplanet WASP-94A b, offering unprecedented insight into alien weather and ...

Discovery led by UC Santa Cruz Ph.D. of daily cloud cycle on a hot Jupiter exoplanet provides unique window into its make-up ...

Using the James Webb Space Telescope, astronomers have created the most detailed map of the cosmic web ever.

Neptune's moon Nereid may be the lone survivor of an ancient cataclysmic event, according to new findings from the James Webb ...

The James Webb Space Telescope (JWST) has made a weather forecast for the exoplanet WASP-94Ab, a world with clouds of sand in ...

These observations of Jupiter’s auroras were captured with NASA's James Webb Space Telescope’s NIRCam (Near-Infrared Camera) on Dec. 25, 2023. NASA's James Webb Space Telescope has revealed enormous ...