James Webb Space Telescope

An infant star system contains the basic building block for organic chemistry, new James Webb Space Telescope images reveal.

Astronomers using the James Webb Space Telescope discovered evidence of complex organic molecules in a galaxy 12.3 billion light-years away — the furthest and oldest ever detected.

The James Webb Space Telescope has discovered the faintest galaxy ever seen, burning away the pitch-black gloom of the early universe 13 billion years ago.

The James Webb Space Telescope caught Saturn's icy moon Enceladus spraying a 'huge plume' of watery vapor far into space — and that plume may contain chemical ingredients for life.

The James Webb Space Telescope took its first close look at a "mini-Neptune" — the most common type of planet beyond our solar system — and found signs of water.

New James Webb Space Telescope images reveal the grisly past of Cassiopeia A, the youngest known supernova remnant in the Milky Way.

Astronomers zoomed in on the dusty rings around Uranus in a new series of stunning James Webb Space Telescope images.

Astronomers using the James Webb Space Telescope have detected the four oldest galaxies in the known universe, which are forming stars much faster than thought possible.

The James Webb Space Telescope detected what may be the oldest known black hole in the universe by deconstructing faint glimmers of light from close to the dawn of time.

NASA's James Webb Space Telescope measured the temperature of the Earth-like planet TRAPPIST-1b and found that it is too hot for humans and likely has no atmosphere.