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

The data suggest this small, super-hot world is shrouded in a thick layer of gas, likely hovering above a planet-wide ocean ...

NASA’s James Webb Space Telescope has detected the best evidence ever recorded for an atmosphere on a rocky exoplanet.

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.

New James Webb Space Telescope observations have revealed a galaxy that shouldn’t exist, a complex spiral galaxy named ...

Why it's so special: What are the smallest stars? A deep dive into the star-forming Flame Nebula by the James Webb Space Telescope (JWST) has revealed free-floating, Jupiter-size objects that could ...

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

Cosmic dawn galaxies seen by JWST reveal hidden clues about dark matter and keep rival theories about its true nature alive.

TRAPPIST-1e, an Earth-sized world in the system’s habitable zone, is drawing scientific attention as researchers hunt for ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. The James Webb Space Telescope spies a black hole-powered quasar (pink, spiky dot in the center ...

NASA’S James Webb Space Telescope has captured direct images of a planet outside of our solar system, which is the first time it has accomplished such a feat. This is a very big deal because ...

When NASA launched its $10 billion James Webb Space Telescope in 2021, scientists hailed the mission as the greatest achievement of its kind in over three decades. Soon, however, scientists noticed a ...