The age of the Universe is usually presented as a simple number: about 13.8 billion years. It sounds settled, almost tidy.

The James Webb Space Telescope captured this image of a young galaxy cluster, MACS J0553.4-3342.

Astronomers have discovered the secrets of early galaxies that pumped the infant cosmos full of dust, but by studying a much ...

The James Webb Space Telescope has uncovered unexpectedly mature galaxies in the young universe, challenging existing models ...

Just as the dinosaurs didn't disappear but rather evolved into birds, cosmic dinosaurs in the form of the JWST's Little Red ...

NASA's James Webb Space Telescope has revealed new details about the blistering lava planet 55 Cancri e, where temperatures ...

NASA’s James Webb Space Telescope discovered Beta Pictoris d, a third giant planet orbiting the young star Beta Pictoris, 63 ...

Astronomers found the most distant nuclear disc ever seen, showing galaxies became organized far earlier in the Universe than ...

NASA has released the most detailed images of the Centaurus A galaxy we've ever seen, captured by the James Webb telescope.

New observations of WD 1856 b, a gas giant closely orbiting a white dwarf, offer a preview of what could happen to Jupiter and Saturn after the sun dies in about five billion years.

NASA's James Webb Space Telescope observed gas swirling near the supermassive black hole in galaxy NGC 4696, revealing ...