The James Webb Space Telescope was built to see the first galaxies, but it is rapidly becoming something stranger: a laboratory for the invisible. By pushing into the faintest, earliest structures in ...

The James Webb Space Telescope has delivered its clearest signal yet that a rocky planet outside our solar system is wrapped in gas, not bare rock. Instead of a gentle blue marble, the world in ...

Astronomers want to collect as much data as possible using as many systems as possible. Sometimes that requires coordination ...