These three exoplanets are among the least dense ever found, and all attempts to probe their atmospheres have been blocked by ...

A 'prelude to a supernova' is how NASA describes this stunning new James Webb Space Telescope image of Wolf-Rayet Star WR 124 ...

The NASA/ESA/CSA James Webb Space Telescope has captured an amazing view of the iconic Hubble Ultra Deep Field using its MIRI and NIRCam instruments. Credit: ESA/Webb, NASA & CSA, G. Östlin, P. G.

Like tiny photobombers, cosmic anomalies resembling small, bright red points show up in almost every snapshot taken by the ...

They’re struggling to connect the dots. Scientists are baffled over mysterious dots captured by the James Webb Space Telescope — with some suggesting they could be giant stars from the origins of the ...

Webb has captured the haunting “Exposed Cranium” nebula—an otherworldly cloud shaped by a dying star that looks remarkably like a brain inside a skull.

The James Webb Space Telescope reveals active volcanoes on Io in unprecedented detail thanks to an innovative technique.

Astronomers have discovered a bizarre exoplanet with a giant underground ocean of magma that traps sulphur and may represent an entirely new class of worlds.

Light emitted from a spiral galaxy during the Tyrannosaurus rex era was captured in a striking photo by the James Webb Space ...

Astronomers have discovered a bizarre exoplanet slightly larger than Earth, covered by a vast magma ocean and wrapped in a sulfur‑rich atmosphere. Observations from the James Webb Space Telescope ...

NASA’s James Webb Space Telescope Optical Telescope Element Pathfinder and Parker Solar Probe models are now on permanent display at the Smithsonian’s Udvar-Hazy Center, providing insight into testing ...