In a glimpse of the early universe, astronomers have observed a galaxy as it appeared just 800 million years after the Big ...

Astronomers have found the strongest evidence yet of an atmosphere around a rocky exoplanet.

The supernova exploded over 13 billion years ago in a galaxy far, far away.

A stronomers using the JWST have traced the source of a long-duration gamma-ray burst back to a supernova that exploded ...

The James Webb Space Telescope's Near Infrared Camera (NIRCam) captured a massive stellar jet in the Sharpless 2-284 (Sh2-284 ...

A surprisingly mature spiral galaxy named Alaknanda has been spotted just 1.5 billion years after the Big Bang—far earlier ...

Day 13 of the 2025 Space Telescope Advent Calendar ...

The James Webb Space Telescope's Near-Infrared camera (NIRCam) captured stunning imagery of Neptune. It is the "clearest view ...

The discovery of strange, ultra-red objects—especially the extreme case known as The Cliff—has pushed astronomers to propose an entirely new type of cosmic structure: black hole stars. These exotic ...

Data from the James Webb Space Telescope suggests that exoplanet TOI-561 b is surrounded by a thick atmosphere above a global magma ocean.

The hunt is on for terrestrial exoplanets in habitable zones, and some of the most promising candidates were discovered ...

Searching for exomoons—moons that orbit around another planet—was one of the most exciting capabilities expected of the James ...