Category: Universe
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NASA’s Hubble Sees Asteroids Colliding at Nearby Star for First Time
Like a game of cosmic bumper cars, scientists think the early days of our solar system were a time of violent turmoil, with planetesimals, asteroids, and comets smashing together and pelting the Earth, Moon, and the other inner planets with…
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NASA’s Fermi Spots Young Star Cluster Blowing Gamma-Ray Bubbles
For the first time, astronomers using NASA’s Fermi Gamma-ray Space Telescope have traced a budding outflow of gas from a cluster of young stars in our galaxy — insights that help us understand how the universe has evolved as NASA…
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NASA’s Webb Observes Exoplanet Whose Composition Defies Explanation
Scientists using NASA’s James Webb Space Telescope have observed a rare type of exoplanet, or planet outside our solar system, whose atmospheric composition challenges our understanding of how it formed. Officially named PSR J2322-2650b, this Jupiter-mass object appears to have…
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Massive Stars Make Their Mark in Hubble Image
This NASA/ESA Hubble Space Telescope image features a glittering blue dwarf galaxy called Markarian 178 (Mrk 178). The galaxy, which is substantially smaller than our own Milky Way, lies 13 million light-years away in the constellation Ursa Major (the Great…
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NASA’s Webb Detects Thick Atmosphere Around Broiling Lava World
Researchers using NASA’s James Webb Space Telescope have detected the strongest evidence yet for an atmosphere on a rocky planet outside our solar system, as NASA leads the world in exploring the universe from the Moon to Mars and beyond.
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NASA’s Webb Identifies Earliest Supernova to Date, Shows Host Galaxy
NASA’s James Webb Space Telescope has observed a supernova that exploded when the universe was only 730 million years old — the earliest detection of its kind to date. Webb’s crisp near-infrared images also allowed astronomers to locate the supernova’s…
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Black Hole Eats Star: NASA Missions Discover Record-Setting Blast
Editor’s note, Dec. 11, 2025: This story was updated to include an additional partner’s research and related release. Astronomers have been poring over a flood of data from NASA satellites and other facilities as they try to work out what…
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Hubble Spots a Storm of New Stars
This NASA/ESA Hubble Space Telescope image features a stormy and highly active spiral galaxy named NGC 1792. Located over 50 million light-years from Earth in the constellation Columba (the Dove), the bright glow of the galaxy’s center is offset by…
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NASA-JAXA XRISM Finds Elemental Bounty in Supernova Remnant
For the first time, scientists have made a clear X-ray detection of chlorine and potassium in the wreckage of a star using data from the Japan-led XRISM (X-ray Imaging and Spectroscopy Mission) spacecraft. The Resolve instrument aboard XRISM, pronounced “crism,”…
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Hubble Seeks Clusters in ‘Lost Galaxy’
Today’s NASA/ESA Hubble Space Telescope image features the spiral galaxy NGC 4535, which is situated about 50 million light-years away in the constellation Virgo (the Maiden). Through a small telescope, this galaxy appears extremely faint, giving it the nickname ‘Lost…