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EarthSky Voices
‘Unicorn’ long-period radio transient baffles scientists
Astronomers have discovered a long-period radio transient with theory-defying properties. It's incredibly polarized, and its spin appears to be speeding up.
July 24, 2025
A mysterious fossil and the evolution of skin and feathers
A fossil of an ancient reptile shows a distinct crest that is made neither of feathers, scales or hair. It's forcing scientists to rethink reptilian evolution.
July 24, 2025
Space
Newborn planet spotted sculpting a spiral around its star
Astronomers have found evidence for a newborn planet 440 light-years away, sculpting spiral arms in the disk of gas and dust around its young parent star.
July 23, 2025
Grand Canyon landslide due to Meteor Crater impact?
Two world-famous Arizona attractions – the Grand Canyon and Meteor Crater Natural Landmark – might share a hidden connection.
July 20, 2025
Biggest black hole merger ever breaks the universe’s rules
Cutting-edge gravitational wave detectors have found most massive black hole merger yet. Discoverers say it defies our understanding of how black holes form.
July 18, 2025
Did Webb find a black hole formed by a direct collapse?
Astronomers used data from Webb to probe a black hole that might have formed from direct collapse between two interacting galaxies.
July 17, 2025
Chimpanzees wear blades of grass in their ears and rears
Some chimpanzees in captivity imitated each other with the seemingly useless activity of putting a blade of grass in their ears and rears.
July 13, 2025
Interstellar visitor 3I/ATLAS might be oldest comet yet
Astronomers have modeled the path of interstellar comet 3I/ATLAS through the Milky Way galaxy. They said the comet might be 7 billion years old.
July 11, 2025
A deep-space navigation 1st, from New Horizons
New Horizons - which visited Pluto - has now performed a deep-space navigation 1st, determining its own position via star images.
July 11, 2025
Is the Milky Way teeming with satellite galaxies?
Astronomers used new models and simulations of the Milky Way to show our galaxy should have 80 to 100 more satellite galaxies than we've spotted.
July 10, 2025
