The James Webb Space Telescope has captured new imagery of supernova remnant Cassiopeia A. It is 11,000 light-years away in ...

The NASA/ESA/CSA James Webb Space Telescope captured an amazing view of the planet Uranus, its rings and moons. Webb's ...

The nearby bright star Vega is surrounded by a surprisingly smooth, 100 billion-mile-wide disk of cosmic dust, confirming ...

Astronomers using the James Webb Space Telescope have spotted a feeding black hole in the early universe that seems to be eating 40 times faster than is theoretically possible.

The James Webb Space Telescope has directly imaged its lowest mass extrasolar planet outside the solar system yet. The planet is also the closest to its star to be directly observed by the $10 ...

NASA's James Webb Space Telescope (JWST) has been an astonishing piece of technology for the advancement of humankind's understanding of the universe, and the source of awe-inspiring images of ...

Astronomers used the James Webb Space Telescope to detect ancient lonely quasars with murky origins. They appear to have few ...

NASA's James Webb Space Telescope (JWST) was used to spot a completely new kind of alien planet: a watery, far-off "steam world" comprised almost entirely of hot water vapor. As detailed in a new ...

The James Webb Space Telescope may have found dozens of elusive brown dwarfs — strange objects larger than planets but smaller than stars — beyond the Milky Way for the first time ever.

Astronomers combined images from the James Webb Space Telescope and Hubble Space Telescope to create the highest-resolution image of two galaxies, IC 2163 on left and NGC 2207, on the verge of ...

The gruesome palette of these galaxies is owed to a mix of mid-infrared light from the NASA/ESA/CSA James Webb Space Telescope, and visible and ultraviolet light from the NASA/ESA Hubble Space ...

Using the powerful James Webb Space Telescope, orbiting 1 million miles from Earth, scientists peered closely at the planet AF Lep b, an extremely young gas planet at just 23 million years old.