Peculiar James Webb Space Telescope observations seem to show gargantuan black holes in the earliest moments of the universe.

Related: 42 jaw-dropping James Webb Space Telescope images In a new study ... "It's making us rethink the range and variety ...

These are just a taste of the discoveries made by the $10 billion Webb telescope since it began science observations in 2022.

The Epoch of Reionization — the universe’s last major transition — may have happened earlier than previously thought.

The James Webb Space Telescope's Near-Infrared Camera (NIRCam) has captured stunning views of Herbig Haro object 797 (HH 797) ...

Astronomers using the James Webb Space Telescope have detected possible signs of gases released by volcanic activity on a ...

A group of astronomers analyzing data from the James Webb Space Telescope (JWST) say some of the oldest galaxies ... the idea ...

Researchers have discovered three ultra-massive galaxies from the universe's first billion years, challenging existing models of star formation. These galaxies, identified with the James Webb Space ...

The discovery of the first known double gravitational lens has been made with help from observations by NASA’s James Webb ...

Observations of the early universe made by NASA's flagship James Webb Space Telescope are challenging the traditional theory of gravity and how the first galaxies formed. This is the conclusion of ...

New discoveries from NASA's James Webb Space Telescope offer unexpected support for an alternate theory of gravity first ...

For the first time, researchers have used data from the James Webb Space Telescope (JWST) to uncover an example of a previously hypothetical phenomenon known as an "Einstein zig-zag" — where light ...