Researchers employing the James Webb Space Telescope and Canada's NIRISS instrument have observed exoplanet WASP-121b getting ...

Astronomers using the James Webb Space Telescope (JWST) say they have found the strongest evidence yet for an atmosphere ...

The James Webb Space Telescope has reached its final destination, almost a month after launch. Since lifting off from French Guiana on December 25, the telescope has unfurled its tennis court-size ...

The James Webb Space Telescope finds WASP-121b leaking two long helium tails, offering new insight into atmospheric escape on hot Jupiter exoplanets ...

Astronomers have used the James Webb Space Telescope (JWST) to discover that a distant "hot Jupiter" planet has two ...

Using the Webb telescope’s powerful Near Infrared Imager and Slitless Spectrograph (NIRISS) instrument, the team detected a ...

Astronomers using the James Webb Space Telescope have captured dramatic helium streams pouring off the super-puff exoplanet ...

NASA has weaved its Webb. The tennis court-size James Webb Space Telescope, which was folded up neatly inside a rocket for its much-anticipated launch on Christmas Day, is now fully deployed, NASA ...

Coiled and snakelike, a set of four identical shells surrounds a violent stellar dance 8,000 light-years from Earth.

Three years into its cosmic mission, NASA's James Webb Space Telescope continues to dazzle and inspire awe. Since July 2022, the advanced observatory has scoured the cosmos in otherwise invisible ...

Two more of NASA's space telescopes recently got another look at comet 3I/ATLAS, a captivating interstellar interloper that first captured the world's attention in July. The object – just the third ...