James Webb Space Telescope

Latest about James Webb Space Telescope

White diamond symbols mark the locations of 20 of the 83 newfound young, low-mass galaxies undergoing intense star formation when the universe was just 800 million years old. Despite their small sizes, these galaxies are powerful sources of ultraviolet radiation, making them strong candidates for helping reionize the early universe.

Tiny galaxies may have helped our universe out of its dark ages, JWST finds

By Sharmila Kuthunur published

"These small galaxies punch well above their weight."

James Webb Space Telescope
NASA's James Webb Space Telescope in its deployed form as seen in an artist's illustration.

NASA's James Webb Space Telescope mission — Live updates

By Robert Lea last updated

Read the latest news about NASA's James Webb Space Telescope.

James Webb Space Telescope
An illustration shows Pluto and its largest moon Charon

Pluto's hazy skies are making the dwarf planet even colder, James Webb Space Telescope finds

By Keith Cooper published

Simultaneously cooling Pluto while energizing atmospheric molecules to allow them to escape into space, Pluto's haze plays a key role in the planet's energy balance.

James Webb Space Telescope

James Webb Space Telescope reveals largest-ever panorama of the early universe

By Sharmila Kuthunur published

Astronomers unveiled the James Webb Space Telescope's largest view yet of the early universe in a richly detailed catalog of nearly 800,000 galaxies.

James Webb Space Telescope

James Webb Space Telescope unveils fiery origins of a distant, hellish exoplanet

By Sharmila Kuthunur published

"Studying the chemistry of ultra hot planets like WASP-121b helps us to understand how gas giant atmospheres work under extreme temperature conditions."

James Webb Space Telescope
a field of galaxies in space, dominated by an enormous, bright-white elliptical galaxy that is the core of a massive galaxy cluster, surrounded by short, curved, glowing red lines, which are images of distant background galaxies magnified and warped by gravitational lensing.

JWST peers through a cosmic lens in 'deepest gaze' to date | Space photo of the day for May 27, 2025

By Robert Z. Pearlman published

A massive galaxy cluster, Abell S1063, forms a gravitation lens, revealing the warped light from more distant galaxies dating back to the early universe in this James Webb Space Telescope image.

James Webb Space Telescope

James Webb Space Telescope discovers an alien planetary system's icy edge

By Keith Cooper published

The presence of water-ice in the debris disk around a young star could have helped facilitate the growth and development of exoplanets.

James Webb Space Telescope
A composite view of the galaxy IC5063 taken with the JWST's MIRI instrument with the background supplied by Hubble

Calling citizen scientists! Help NASA's Galaxy Zoo classify galaxies seen by James Webb Space Telescope

By Samantha Mathewson published

Through a citizen science project called Galaxy Zoo, volunteers can help astronomers analyze over 500,000 James Webb Space Telescope images and classify galaxies observed from deep space.

James Webb Space Telescope
This artist’s concept shows what the hot sub-Neptune exoplanet TOI-421 b could look like.

James Webb Space Telescope finds water in the air of exotic 'sub-Neptune' exoplanet

By Victoria Corless published

NASA's James Webb Space Telescope has found water vapor swirling in the air of a distant, boiling-hot alien planet, a new study reports.

James Webb Space Telescope

James Webb Space Telescope finds coldest exoplanet ever seen, and it orbits a dead star

By Sharmila Kuthunur published

"It's a rare opportunity to place our own solar system in a broader galactic context."

James Webb Space Telescope
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