3 days ago · Webb is the premier observatory of the next decade, serving thousands of astronomers worldwide. It studies every phase in the history of our Universe.

Nov 19, 2025 · Webb identifies earliest supernova to date, shows host galaxy Webb studies moon-forming disc around massive planet Webb explores largest star-forming cloud in the …

Features The mass of the James Webb Space Telescope (JWST) is about half that of the Hubble Space Telescope. Webb has a 6.5-meter-diameter (21-foot) gold-coated beryllium primary …

4 days ago · The James Webb Space Telescope detected the oldest supernova on record. It was seen accompanied by a gamma-ray burst, signaling the core collapse of a massive star and …

Dec 1, 2025 · Webb Telescope captures exoplanet dramatically shedding its atmosphere in real time Finding helps scientists understand how giant planets form and migrate The James Webb …

4 days ago · The NASA/ESA/CSA James Webb Space Telescope has confirmed the source of a super-bright flash of light known as a gamma-ray burst, generated by an exploding massive …

4 days ago · See current, upcoming and recent past observations scientists are making with the Webb Space Telescope. View details about each observation's science focus areas, the …

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5 days ago · NASA’s James Webb Space Telescope has observed a supernova that exploded when the universe was only 730 million years old — the earliest detection of its kind to date. …

Sep 24, 2025 · The NASA/ESA/CSA James Webb Space Telescope has revealed a colourful array of massive stars and glowing cosmic dust in the Sagittarius B2 (Sgr B2) molecular cloud, …