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

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

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

Astronomers using the James Webb Space Telescope have captured one of the clearest views yet of how an early supermassive ...

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

Now out in space for more than two years, the James Webb Space Telescope is a stunningly sophisticated instrument.

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

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.

Astronomers using the James Webb Space Telescope have detected an unexplained chemical signature on both Pluto and Saturn's ...

Ever since the JWST revealed a population of SMBH in the early universe that were overmassive, scientists have been working hard to explain them. These black holes existed when the universe was only ...

Using the James Webb Space Telescope (JWST), a team of astronomers has found the earliest known supernova, one which exploded when the universe was just 730 million years old. This observation ...

Recently celebrating its 36th year in continuous operation, Hubble Space Telescope teamedup with its James Webb Space ...