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The Latest Breaking News from James Webb Space Telescope

Astronomers Discover Surprising Insights Into Early Universe Evolution

Discoveries using NIRCam on James Webb Space Telescope challenge existing theories about early galaxy evolution.

Top News

James Webb Space Telescope discovers some early universe galaxies grew up surprisingly fast

Adolescent galaxies in the early universe had to grow up fast. Luckily, observations from the James Webb Space Telescope have shown that, 10 billion years ago, galaxies were less chaotic than believed.

Space

James Webb Space Telescope documentary returns to IMAX theaters this week for Earth Day. Watch exclusive clips here (video)

New James Webb Space Telescope documentary, "Deep Sky," returns to IMAX screens for Earth Day. Watch two exclusive clips here at Space.com.

Space

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Exotic 'Einstein ring' suggests that mysterious dark matter interacts with itself

The unexplained mass of a remarkably massive galaxy suggests that dark matter interacts with itself, according to new observations by the James Webb Space Telescope.

Space

Hundreds of mysterious 'rogue' planets discovered by James Webb telescope may finally have an explanation

The James Webb Space Telescope recently discovered dozens of inexplicable 'rogue' planets floating through space in pairs. Now, a new study may explain the mystery behind these rare "JuMBOs".

LiveScience

James Webb Space Telescope gets to the heart of a smoking starburst galaxy (images)

The James Webb Space Telescope has dived into the smoking heart of the "Cigar Galaxy" to create an image of the starburst galaxy alight with intense star birth.

Space

What are the true colors of images from the James Webb Space Telescope?

We explore the true colors of images from the James Webb Space Telescope (JWST) to see what the cosmos really looks like.

Space

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James Webb Space Telescope spots the icy building blocks of life swirling around infant stars

Two infant stars are surrounded by swirling clouds that astronomers using the James Webb Space Telescope found contain icy molecules that could form the building blocks of life.

Space

Oldest 'dead' galaxy ever seen defies current models of the ancient universe

Astronomers have discovered the oldest known "dead" galaxy in recent observations from the James Webb Space Telescope, challenging current models of the early universe.

Space

The James Webb Space Telescope may have found some of the very 1st stars

The hunt for the first stars, known as Population III stars, may be nearing an end as the James Webb Space Telescope spotted tantalizing evidence for them in one of the earliest galaxies known.

Space

James Webb Space Telescope finds dwarf galaxies packed enough punch to reshape the entire early universe

The James Webb Space Telescope investigated low-mass galaxies from the early universe, finding most of these dwarf galaxies' light drove a vital phase of cosmic evolution.

Space

James Webb Space Telescope spots neutron star hiding in supernova wreckage

Using the James Webb Space Telescope, astronomers spotted a neutron star that evaded detection for 37 years. It lives in Supernova 1987A, the aftermath of a stellar explosion in the Large Magellanic Cloud.

Space

James Webb Space Telescope could target tiny bright galaxies to shine light on dark matter

The James Webb Space Telescope could target tiny and bright galaxies in the early universe to unveil some secrets about the universe's most mysterious stuff, dark matter.

Space

James Webb Space Telescope observes 19 intricate galaxy structures in stunning detail (images)

The James Webb Space Telescope has observed the glowing gas and dust patterns of 19 spiral galaxies in stunning detail, aiming to uncover the origins of these intricate structures.

Space

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LiveScience

Physics-breaking 'rogue' objects spotted by James Webb telescope are emitting radio signals that scientists can't explain

A bizarre object discovered by the James Webb Space Telescope may be a pair of 'rogue' planets ― but a new study finds they are emitting radio signals rarely seen from other worlds.

Space

Nearby star factory shines in stunning James Webb Space Telescope photo

The James Webb Space Telescope has zoomed in on N79, a 1,630-light-year-wide star birthing complex in the Large Magellanic Cloud, to produce a stunning image.

Space

US Priority Mail stamps now feature James Webb Space Telescope images

As light reaching the James Webb Space Telescope, it took between 6,500 and 7,600 years to be received. As images on Priority stamps, they will get your mail to its destination much sooner.

Space

Early galaxies were shaped like surfboards and pool noodles, James Webb Space Telescope finds

Young galaxies in the early universe adopted elongated shapes as they formed along filaments of the cosmic web, before evolving into more disc-like galaxies.

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WEKU

James Webb Telescope detects earliest known black hole — it's really big for its age

Data from the James Webb Space Telescope indicate that a galaxy known as GN-z11 has a supermassive black hole at its center — one that's far more massive than astronomers expected.

Space

Astronomers solve mystery of 'Green Monster' in famous supernova remnant (photo)

The mysterious wispy green light captured by the James Webb Space Telescope last year near the heart of Cassiopeia A turns out to be a result of a blast wave slamming into surrounding material.

Space

12 James Webb Space Telescope findings that changed our understanding of the universe in 2023

These are the James Webb Space Telescope's most notable discoveries in 2023.

Space

Warped supernova spotted by James Webb Space Telescope could settle a longstanding debate

Gravitationally lensed images of two different supernovas in the same galaxy can be used to measure the expansion rate of the universe.

LiveScience

8 stunning James Webb Space Telescope discoveries made in 2023

The oldest ever black holes, a preview of our solar system's gory demise, and a measurement of distant starlight that threatens to bring the standard of cosmology crashing down — here are the JWST's wildest discoveries of 2023.

Space

The rings of Uranus look positively festive in epic James Webb Space Telescope holiday photo

The observations are vital for piecing together the science objectives for a future mission to Uranus.

LiveScience

James Webb telescope finds universe's smallest 'failed star' in cluster full of mystery molecules

Astronomers using the James Webb Space Telescope have spotted what may be the smallest known brown dwarf, a "failed star" that's only three or four times larger than Jupiter.

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