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

Astronomers using the James Webb Space Telescope (JWST) say they have found the strongest evidence yet for an atmosphere ...

"This observation also demonstrates that we can use Webb to find individual stars when the universe was only 5% of its ...

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 ...

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 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 ...

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

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

Coiled and snakelike, a set of four identical shells surrounds a violent stellar dance 8,000 light-years from Earth.

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