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'Interstellar messenger' 3I/ATLAS could be nearly as old as the universe itself, James Webb telescope observations reveal
The comet formed in a cold and distant part of the early Milky Way up to 12 billion years ago, potentially putting it just under 2 billion years the age of the universe.
'Exposed Cranium' leaks its gory secrets in new James Webb telescope images: Space photo of the week
NASA's James Webb Space Telescope reveals new infrared images of the brain-shaped "Exposed Cranium" nebula, the final stages of a dying star.
Astronomers spot 'time-warped' supernovas whose light both has and hasn't reached Earth
Will two rare supernovas finally tell us how fast the universe is expanding? Perhaps, but we'll have to wait for it for them to 'reappear'.
James Webb telescope breaks own record, discovering farthest known galaxy in the universe
The James Webb Space Telescope has confirmed the most distant, early galaxy in the known universe. The new contender, MoM-z14, is visible just 280 million years after the Big Bang.
'A real revolution': The James Webb telescope is upending our understanding of the biggest, oldest black holes in the universe
For years, the James Webb Space Telescope has been spotting enormous black holes in the early universe that defy all expectations. Now, astronomers are finally deciphering the origins of these cosmic behemoths.
James Webb telescope discovers earliest Type II supernova in the known universe
An extremely early Type II supernova explosion, named after the Titan goddess of dawn in Greek mythology, occurred just 1 billion years after the Big Bang.
James Webb telescope reveals sharpest-ever look at the edge of a supermassive black hole
The James Webb Space Telescope snapped its sharpest image of the area around a black hole, solving a long-standing galactic mystery.
James Webb telescope saw black holes emerging from 'cocoons' near the dawn of time
The gaseous cocoons surrounding "little red dots" hint at their true nature, a new James Webb telescope study hints.
James Webb telescope spies a monstrous molecular cloud shrouded in mystery — Space photo of the week
In this James Webb telescope image, the gigantic molecular cloud near our galaxy's center appears as a canvas of pink and purple clouds set against a shadowy backdrop.
James Webb telescope finds supermassive black hole hidden inside 'Jekyll and Hyde' galaxy
The discovery of a hidden supermassive black hole inside an ancient galaxy suggests that some of our universe's most extreme objects could be invisible unless observed in infrared wavelengths, James Webb telescope observations reveal.
