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The Milky Way ate a galaxy called Loki, and scientists think they found its bonesAstronomers have identified a group of ancient stars that may be the remnants of a dwarf galaxy named Loki that merged with the Milky Way more than 10 billion years ago.
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Hubble revisits stunning Trifid Nebula after 30 years, and spots a growing jet of energy — Space photo of the weekThe Hubble Space Telescope revisits a star-forming region 5,000 light-years from Earth, which it first captured in 1997, revealing how the cosmic nursery has changed over human timescales.
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James Webb telescope spots 'stingray' galaxy system that could solve the mystery of 'little red dots'A study of the fascinating galaxy system nicknamed "The Stingray" suggests that mysterious little red dots could be a phase in the evolution of galaxies powered by actively feeding black holes, rather than a distinct class of objects.
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Hubble and Euclid capture the final act of a dying star — and it's glorious: Space photo of the weekAstronomers combined Hubble's small-scale details of stellar death with Euclid's wide view of cosmic environments to take a closer look at the iconic Cat's Eye Nebula.
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Mysterious 'dots' discovered by Webb telescope may be the first stars in the universe on the verge of collapseA new study suggests that "little red dots" spied by the James Webb Space Telescope could be the universe's short-lived first generation of gigantic stars, challenging an existing theory.
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Deepest views from James Webb and Chandra reveal monster object that defies theory — Space photo of the weekThe James Webb Space Telescope and the Chandra X-ray Observatory have captured the clearest image yet of a galaxy cluster in the making, seen when the universe was only one billion years old.
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James Webb telescope spots 'failed stars' in a breathtaking cluster near Earth — Space photo of the weekThe James Webb Space Telescope captured a colorful portrait of a nearby stellar cradle, revealing a wealth of insights about countless stars.
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James Webb telescope spies a monstrous molecular cloud shrouded in mystery — Space photo of the weekIn 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.
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James Webb telescope may have spotted the earliest supernova in the universeAstronomers using the James Webb Space Telescope report that a powerful gamma-ray burst detected in March may have been produced by the explosion of a massive star just 730 million years after the Big Bang.
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Scientists map the shape of a supernova for the first time ever: Space photo of the weekAstronomers using data from the Very Large Telescope (VLT) have revealed that the initial "breakout" phase of a supernova is elongated, not perfectly spherical.
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James Webb telescope may have discovered the earliest, most distant black hole ever seenThe James Webb telescope may have detected the universe's earliest and most distant known black hole at the heart of galaxy GHZ2, revealing how the first black holes grew just a few hundred million years after the Big Bang.
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Unprecedented view of the Milky Way took 40,000 hours to construct — Space photo of the weekCreated using data from two extensive surveys, this spectacular radio image of the galactic plane of the Milky Way provides valuable insights into the birth and death of stars.
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ALMA and JWST solve major star formation mystery: Space photo of the weekFor the first time ever, astronomers revealed the birthplace of an energetic jet blasted by a newborn star using the Atacama Large Millimeter/submillimeter Array (ALMA) in Chile.
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The James Webb telescope may have discovered a brand new class of cosmic object: the black hole starUsing the James Webb Space Telescope, astronomers discovered an extreme version of "little red dots" dubbed "The Cliff." Its light suggests that it could be a never-before-seen class of objects called a "black hole star."
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James Webb telescope discovers 'exceptionally rare' 5-galaxy crash in the early universeNear-infrared images from the James Webb Space Telescope revealed five early universe galaxies merging within a large halo.
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Oops! Earendel, most distant star ever discovered, may not actually be a star, James Webb Telescope revealsAstronomers used the James Webb Space Telescope to investigate whether the most distant star identified in the universe is, in fact, a star cluster.
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James Webb telescope reveals 'Sleeping Beauty' galaxies in the early universe — snoozing where they weren't supposed to existUsing data from the James Webb Space Telescope, astronomers have discovered dormant galaxies with a wide range of masses in the first billion years after the Big Bang, moving one step closer to understanding how early galaxies grow.
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James Webb telescope reveals dizzying galaxies in the Bullet Cluster: Space photo of the weekThis unprecedented view of the Bullet Cluster provided by the James Webb Space Telescope and the Chandra X-ray Observatory reveals how the dark matter is distributed.
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NASA spots Martian volcano twice the height of Mount Everest bursting through the morning clouds: Space photo of the weekA new panorama from NASA's Mars Odyssey orbiter shows Arsia Mons, one of the largest volcanoes on Mars, rising above a thick blanket of clouds before dawn.
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James Webb telescope uncovers new, 'hidden' type of black hole never seen beforeBy combining data from the Subaru Telescope and James Webb Space Telescope, researchers have discovered distant quasars that are obscured by dust but which may shed light on Little Red Dots.
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James Webb telescope solves 'impossible' black hole mysteryAstronomers have used the James Webb Space Telescope (JWST) to revisit a misunderstood black hole thought to be gulping matter 40 times faster than the theoretical limit. It turns out, dust may have obscured the truth.
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Weird repeating nova explosion is one of the hottest blasts ever seenResearchers conducted the first-ever near-infrared analysis of an extragalactic recurrent nova and found it is one of the hottest nova explosions ever discovered.
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Space photo of the week: The last view of the 'Great Comet of 2025' for half a million yearsBeautifully captured against a starry sky, Comet C/2024 G3 (ATLAS) — dubbed by some as the "Great Comet of 2025" — shines brightly after its last approach to the sun for hundreds of thousands of years.
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Space photo of the week: James Webb telescope reveals mysterious 'light echo' in the broken heart of CassiopeiaBeautifully captured by the James Webb Space Telescope (JWST), this image shows interstellar gas and dust lit up by a dead star in Cassiopeia.
