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

This is the strongest evidence yet of a rocky planet beyond our solar system with an atmosphere. Astronomers using the James ...

The most remarkable thing about this investigation is the fact that the helium leaking from WASP-121b forms two distinct ...

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

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

NASA’s James Webb Space Telescope observations reveal TOI-561 b has a cooler-than-expected dayside, indicating a thick atmosphere above a global magma ocean, based on infrared emission measurements.

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 ...

A faint, ancient flash of light detected by the James Webb Space Telescope (JWST) has broken the record for the most distant ...

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

The James Webb Space Telescope finds WASP-121b leaking two long helium tails, offering new insight into atmospheric escape on hot Jupiter exoplanets ...

The discovery of strange, ultra-red objects—especially the extreme case known as The Cliff—has pushed astronomers to propose ...