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Posts by
EarthSky Voices
Dark energy surprise suggested by super set of supernovae
A new analysis of supernovae observations hints that dark energy may change strength over time. It could mean we need to recalculate the universe's fate.
July 30, 2025
Meet Apep, a pair of dying stars in a swirling nebula
Webb has captured an image of Apep, which includes the swirling nebula around 2 dying stars. A scientist explains what we know about it now.
July 30, 2025
Is the 3rd interstellar visitor – 3I/ATLAS – an alien probe?
It's highly unlikely the interstellar comet 3I/ATLAS is an alien spacecraft. However, here are things scientists would look for to detect an alien probe.
July 27, 2025
‘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
