This is the strongest evidence yet of a rocky planet beyond our solar system with an atmosphere. Astronomers using the James ...

The 13th day of the 18th annual Space Telescope Advent Calendar features part of a dense cluster of galaxies—a wide variety ...

Researchers using the James Webb Space Telescope spotted huge stars leaking nitrogen in an early galaxy, hinting that such ...

James Webb finds a hot planet that is tidally locked with its parent star, is coated with a thick atmosphere of volatile ...

The NASA/ESA/CSA James Webb Space Telescope has captured an amazing view of the iconic Hubble Ultra Deep Field using its MIRI ...

The James Webb Space Telescope's Near Infrared Camera (NIRCam) captured a massive stellar jet in the Sharpless 2-284 (Sh2-284 ...

A faint, ancient flash of light detected by the James Webb Space Telescope (JWST) has broken the record for the most distant ...

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

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

NASA’s James Webb Space Telescope observations reveal TOI-561 b has a cooler-than-expected dayside, indicating a thick atmosphere above a global magma ocean, based on infrared emission measurements.

The James Webb Space Telescope and other international observatories have spotted a 13-billion-year-old supernova. On Tuesday ...

According to NASA, the NIRCam on the JWST has near infrared imagery that provided high-resolution imagery for the ...