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James Webb telescope zooms in on a black hole that could reveal the truth about 'little red dots'A peculiar object dubbed an 'X-ray dot' could help solve the mystery of the 'little red dots' discovered by the James Webb Space Telescope.
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'Something's missing': Most thorough-ever study of the cosmos proves we still can't explain how the universe is expandingA comprehensive new study combines decades of research to reveal that we're missing an essential component in our understanding of how the universe works.
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The hungriest black holes in the universe are running out of food, survey of 8,000 cosmic monsters revealsAstronomers studied 1.3 million galaxies and 8,000 X-ray-spewing supermassive black holes to find out why these gravitational monsters are growing more slowly than ever.
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NASA rover discovers first ruby-like crystals on MarsAstronomers have detected small, ruby-like crystals embedded in Martian rocks, which may also hide sapphires created in the fury of meteorite impacts.
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Enormous 3D map of the universe shows brilliant 'sea of light' near the cosmic dawnA unique technique allowed astronomers to see the early universe as a "sea of light" and explore the effects of gravity and dark energy on cosmic evolution.
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Giant string of organic molecules on Mars may be one of the best signs of life yetA new NASA analysis concludes that it is "reasonable to hypothesize" that living things could have formed the odd organic molecules discovered on Mars.
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Scientists spot 'rule-breaking' black hole growing 13 times faster than should be possibleAn ancient, fast-feeding quasar is breaking the rules of how black holes consume matter and generate galaxy-shaping jets.
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Every major galaxy is speeding away from us, except one — and we finally know whyA vast, flat sheet of dark matter may solve the long-standing mystery of why our neighboring galaxy Andromeda is speeding toward us while our other neighbors are moving away from us.
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Astronomers spot 'time-warped' supernovas whose light both has and hasn't reached EarthWill 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'.
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James Webb telescope solves mystery of 'forever young' vampire stars from the dawn of timeAstronomers have discovered how "forever young" stars stay blue and bright despite being almost as old as the universe.
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Dark matter and neutrinos may interact, hinting at 'fundamental breakthrough' in particle physicsAstronomers found evidence that dark matter and neutrinos may interact, hinting at a "fundamental breakthrough" that challenges our understanding of how the universe evolved.
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James Webb telescope reveals sharpest-ever look at the edge of a supermassive black holeThe James Webb Space Telescope snapped its sharpest image of the area around a black hole, solving a long-standing galactic mystery.
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Hubble telescope discovers 'Cloud-9,' a dark and rare 'failed galaxy' that's unlike anything seen beforeAstronomers have revealed a new type of cosmic object called Cloud-9 — a dim, starless gas cloud anchored by a massive dark matter halo that may be the first-confirmed failed galaxy.
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'Unprecedented' protoplanet collision spotted in 'Eye of Sauron' star system just 25 light-years from EarthScientists watching the nearby Fomalhaut star system have directly seen two protoplanets smash together for the first time. Then, they saw it happen again.
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This bright star will soon die in a nuclear explosion — and could be visible in Earth's daytime skiesThe bright binary star system V Sagittae will flare up multiple times before finally going supernova within the next 100 years. When it explodes, it could be visible to the naked eye even in sunlit skies.
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Who needs more exercise: Women or men?Do the benefits of exercise differ by sex? The answer is yes, evidence suggests.
