A bizarre, ultra-light planet is cloaked in such a thick haze that even JWST can’t reveal its composition. Its unusual size and orbit are forcing scientists to rethink how planets form.
"These ultra-low density planets are rare and they defy conventional understanding of how gas giants form, and if explaining how one formed wasn't difficult enough, this system has three!" ...
A breakthrough in the cosmic caper came in 2023, when a team of researchers led by Anna de Graaff, a Clay Fellow at the Harvard–Smithsonian Center for Astrophysics, used the Webb telescope to analyze ...
The James Webb Space Telescope reveals active volcanoes on Io in unprecedented detail thanks to an innovative technique.
The Hubble Space Telescope captured rare images of a comet as it was breaking apart in November 2025. Credit: NASA / ESA / Dennis Bodewits / Joseph DePasquale For practically as long as NASA's Hubble ...