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NASA's Astronomy Picture of the Day for September 21, 2026, showcases the Cocoon Nebula, a stellar nursery 4,000 light-years away, highlighting its role in sta…
Engineers from UC Berkeley assembled the COSI gamma-ray detector on July 8, 2026, a crucial step before its planned 2028 launch aboard a NASA mission. This adv…
NASA's Nancy Grace Roman Space Telescope has captured its first images of cosmic light, demonstrating its advanced capabilities ahead of its 2027 launch. This …
A "baby" exoplanet, discovered emerging from its cosmic cocoon around a nearby star, is the youngest alien world ever seen, a new study reveals. The planetary …
Where it is: 160,000 light-years away, in the constellation Dorado It looks like a gigantic hole punched through a cloud, but this spectacular new image from …
New measurements of helium in distant galaxies have confirmed theories about the universe's conditions seconds after the Big Bang, indicating that helium makes…
The moon may have formed in as few as five hours after the cataclysmic collision between Earth and a long-lost protoplanet, new simulations suggest. The surpri…
