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Gravitational waves offer a 'cosmic DNA test' for black holes -
Supermassive black holes in 'little red dot' galaxies are 1,000 times larger than they should be, and astronomers don't know why"Our measurements imply that the supermassive black hole mass is 10% of the stellar mass in the galaxies we studied."
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James Webb Space Telescope discovers one of the earliest 'truly gargantuan' supernovas ever seenThe James Webb Space Telescope has spotted one of the earliest and most distant supernovas, marking the death of a stellar monster 20 times the mass of the sun.
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How Pluto captured its largest moon Charon with a 10-hour icy 'kiss'Pluto may have got romantic to capture its largest moon, colliding and engaging in a passionate but icy 10 hour kiss with Charon billions of years ago.
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Rare string of 'cosmic pearls' dance together in the universeA rare group of aligned, star-birthing dwarf galaxies resemble a cosmic string of pearls.
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'Missing link' black hole found? Not so fast, new study saysA "missing link" black hole in Omega Centauri is still missing. What appeared to be an intermediate-mass black hole was a cluster of stellar-mass black holes.
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NASA's Hubble and Chandra telescopes discover a strange 'sideways' black hole in a cosmic crime sceneWhat knocked this black hole over onto its side? It's a cosmic "whodunnit" that NASA scientists using the Hubble and Chandra space telescopes are trying to solve.
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James Webb Space Telescope catches monster black hole napping after 'overeating' in the early universeThe James Webb Space Telescope has caught a napping monster black hole in the early universe. The cosmic giant is slumbering after a massive meal like a reveler on Christmas Day.
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Large Hadron Collider finds 1st evidence of the heaviest antimatter particle yetScientists at CERN's ALICE detector are replicating conditions found during the Big Bang, attempting to get to the bottom of how matter came to dominate over antimatter.
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Mysterious fast radio bursts could be caused by asteroids slamming into dead starsAn asteroid hitting a neutron star could release enough energy to power humanity for 100 million years, more than enough to explain fast radio bursts.
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Did Venus ever have oceans to support life, or was it 'born hot'?"We would have loved to find that Venus was once a planet much closer to our own, so it’s kind of sad in a way to find out that it wasn't."
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Destroyed observatory helped SETI unlock the secrets of 'cosmic lighthouses' powered by dead stars"Even years after the Arecibo Observatory's collapse, its data continues to unlock critical information that can advance our understanding of the galaxy."
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Did alien life exist in hot water on Mars billions of years ago?Was alien life in "hot water" on Mars billions of years ago? New evidence from the Martian meteorite "Black Beauty" suggests so.
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3D map reveals our solar system's local bubble has an 'escape tunnel'A 3D map of our cosmic neighborhood has revealed hot and cold regions as well as an "escape tunnel" from our local bubble.
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Hubble watches neutron stars collide and explode to create black hole and 'birth atoms'Astronomers have used a range of telescopes, including Hubble, to watch as particles dance around a neutron star collision that created the smallest black hole ever seen.
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Saturn's moon Titan may have a 6-mile-thick crust of methane ice — could life be under there?A 6-mile-think shell of methane ice on Saturn's moon Titan could assist in the hunt for life signs arising from this moon's vast subsurface ocean.
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James Webb Space Telescope sees lonely supermassive black hole-powered quasars in the early universeThe James Webb Space Telescope has discovered lonely quasars in the early universe, with "empty larders" that defy theories surrounding their growth to monster sizes.
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'Killer electrons' play pinball with space weather around Earth"Killer electrons" stashed in radiation belts around Earth could be dislodged by lightning to create a game of "cosmic pinball" that influences space weather around our planet.
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Gaia space telescope discovers 55 'runaway' careening away from stellar cluster at 80 times the speed of soundUsing the Gaia space telescope, astronomers have observed 55 massive stars ejected from their home star cluster in the Large Magellanic Cloud at speeds equivalent to 80 times the speed of sound.
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Record-breaking ancient spinning galaxy challenges cosmic evolution theoriesAstronomers have discovered the earliest strongly rotating galaxy ever seen that's well-organized rather than chaotic, challenging theories of cosmic evolution.
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NASA's exoplanet hunter TESS spots a record-breaking 3-star systemUsing NASA's exoplanet-hunting spacecraft, TESS, astronomers and citizen scientists have discovered a record-breaking system of three tightly bound stars that could fit between the sun and Mercury.
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NASA shuts off Voyager 2 science instrument as power dwindlesNASA has turned off one of Voyager 2's science instruments as power conservation becomes crucial for the interstellar exploring spacecraft located 12.8 billion miles from home.
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James Webb Space Telescope deciphers the origins of Pluto's icy moon CharonUsing the James Webb Space Telescope, astronomers have discovered carbon dioxide and hydrogen peroxide at the surface of Pluto's largest moon, Charon, potentially shedding light on its origins.
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James Webb Telescope goes 'extreme' and spots baby stars at the edge of the Milky Way (image)The James Webb Space Telescope has taken things to the extreme, studying the outer edge of our own galaxy, the Milky Way and producing a stunning new image.
