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The Latest Breaking News from James Webb Space Telescope

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.

Space

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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.

LiveScience

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.

Space

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.

LiveScience

James Webb Space Telescope spies record-breaking 'failed star' that shouldn't exist (video)

The James Webb Space Telescope has observed record-breaking free-floating "failed star" and two other brown dwarfs. The discovery could help scientists better determine where the line between a planet and a star is drawn.

Space

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James Webb Space Telescope's 'Cosmic Christmas Bauble' earns spot in White House Advent Calendar (photo, video)

The James Webb Space Telescope has imaged a "Cosmic Christmas Bauble" that is actually the aftermath of a supernova. The stunning picture of Cassiopeia A was revealed by Jill Biden as part of the first-ever White House Advent Calendar.

Space

New NASA Image Reveals the Invisible Beauty of Stellar Explosions

NASA’s James Webb Space Telescope captures the explosive aftermath of supernova remnant Cassiopeia A in all its infrared splendor.

Inverse

James Webb Space Telescope bites cosmic burger to create 1st ice map of planet-forming disk

The James Webb Space Telescope has taken a bite out of a cosmic burger to create a 2D inventory of different forms of ice surrounding a planet-birthing disk.

Space

James Webb telescope finds water in roiling disk of gas around ultra-hot star for 1st time ever

The James Webb Space Telescope's discovery of water and other molecules in the inner region of a hot protoplanetary disk suggests that rocky, Earth-like planets may be able to form in some very extreme environments.

LiveScience

James Webb Space Telescope pierces through dust to find an ancient ghostly galaxy

A ghostlike dusty galaxy from the early universe might represent a whole population of hidden galaxies.

Space

Earth-like planets may form even in harsh environments, James Webb Space Telescope finds

The James Webb Space Telescope has found water and organic carbon molecules in the vicinity of a massive, active young star.

Space

James Webb Space Telescope spies a newborn star in its cosmic crib (image)

The James Webb Space Telescope stared through the gas and dust surrounding an infant star around 1,000 light-years away to see the turbulent outflows it is generating.

Space

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Space

James Webb Space Telescope discovers 'Cosmic Vine' of 20 connected galaxies in the early universe

The James Webb Space Telescope has discovered a massive chain of 20 galaxies in the early universe, raising questions about the formation of the largest structures in the cosmos.

Space

James Webb Space Telescope sees major star factory near the Milky Way's black hole (image)

The JWST has imaged an intense region of star-formation near the black hole at the center of the Milky Way, making findings that could be key to understanding the earliest galaxies.

LiveScience

James Webb telescope discovers 'Cosmic Vine' of 20 connected galaxies sprawling through the early universe

The James Webb Space Telescope has discovered a massive chain of 20 galaxies in the early universe, raising questions about the formation of the largest structures in the cosmos.

Space

James Webb Space Telescope makes 1st discovery of disappearing neon around newborn star

Missing neon in a planet-forming disk of gas and dust indicates a change in radiation that's slowly eroding the disk.

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Space

James Webb Space Telescope finds 2 of the most distant galaxies ever seen

We see these galaxies as they were over 13.45 billion years ago, just between 330 and 350 million years after the Big Bang.

Space

James Webb Space Telescope gets ready for the holidays with a cosmic Christmas Tree (image)

The James Webb Space Telescope used a galaxy as a cosmic magnifying glass to find transient objects in the "Christmas Tree" cluster, a Winter Wonderland of even more galaxies.

LiveScience

James Webb telescope finds an 'extreme' glow coming from 90% of the universe's earliest galaxies

The universe's early galaxies are way brighter than they should be. The James Webb Space Telescope's discovery of brightly glowing gas around 90% of primordial galaxies may explain why.

Space

James Webb Space Telescope reveals most distant Milky Way galaxy doppelganger

Astronomers have found the most distant Milky Way look-alike we've seen the universe, challenging theoretical predictions of galaxy evolution.

LiveScience

Universe's oldest X-ray-spitting quasar could reveal how the biggest black holes were born

The newly identified quasar, observed 13.7 billion light-years away by the James Webb Space Telescope and Chandra X-ray Observatory, could be an example of a heavy black hole "seed" in the early universe.

Space

James Webb Space Telescope watches infant galaxies bringing light to the early universe

The James Webb Space Telescope has observed gassy baby galaxies in the early universe triggering explosive bouts of star formation, flooding the universe with light.

Space

James Webb Space Telescope could soon solve mysteries of the Milky Way's heart

To understand how galaxies evolve, astronomers want to use JWST to peer into the Milky Way's core.

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