New images from the JWST are about as close as we've ever come to seeing the sky of an alien world outside the Solar System.

Dusty clouds made of sand—that may rain iron—blanket a giant planet orbiting a young, sun-like star just 310 light-years from Earth, the James Webb Space Telescope has revealed. The discovery was made ...

New clues from the day the dinosaurs died. A mysterious ancient human tooth. Primordial galaxies. See how the past year expanded our knowledge of the cosmos and our own backyard. Yale researchers ...