A dead star located 15,000 light-years away, GPM J1839-10, has been pulsing every 22 minutes for decades, defying laws of ...

Omega Centauri dominates the southern sky as the Milky Way's largest and brightest globular cluster, a dense sphere ...

Scientists have sought out and detected radio emissions from from interstellar comet 3I/ATLAS, all but confirming that it has natural origins.

A surprisingly mature spiral galaxy from cosmic dawn is rewriting ideas about how fast the Universe built its first galaxies.

The search for intelligent life in our galaxy is shifting from abstract speculation to detailed cartography, as researchers ...

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A stronomers have discovered 53 new supermassive black hole-powered quasars that are blasting out jets of matter at near light-speed that stretch out for up to 7.2 million light-years, around 50 times ...

Scientists explain how rare bright blue cosmic flashes form when black holes tear apart massive stars, based on new observations of the event AT 2024wpp and similar fast blue optical transients ...

When Cornell built the Arecibo radio telescope in Puerto Rico more than 60 years ago, it was the world's largest. Now, ...

JWST spots a mature early-universe spiral as CERN reveals how light nuclei form in extreme collisions, challenging core ...

Oxygen tank strapped to his back, Michael del Rosario moves his fins delicately as he glides along an underwater nursery just ...