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'Gravity waves' from Hurricane Helene seen rippling through the sky in new NASA images
Hurricane Helene sent gravity waves rippling through the atmosphere far above the southeastern United States, new NASA images reveal.
Supernova that lit up Earth's skies 843 years ago has a flowering 'zombie star' at its heart — and it's still exploding
A new animated map sheds light on the superhot "zombie star" at the heart of a nebula leftover from a distant supernova witnessed by astronomers in 1181. The remains of the stellar explosion are unusually wonky and are still exploding at a constant speed.
Euclid telescope reveals 1st section of largest-ever 3D map of the universe — and there's still 99% to go
The first piece of the Euclid space telescope's map of the universe is crammed with 14 million galaxies and 100 million sources of light. The mapping project is now 1% done.
James Webb telescope discovers 'inside out galaxy' near the dawn of time
A bright spiral galaxy appears on a background of thousands of other distant galaxies
Black holes from the universe's infancy could reveal invisible matter
New theoretical research suggests primordial black holes could one day help researchers locate invisible dark matter.
The universe may end in a 'Big Freeze,' holographic model of the universe suggests
New research suggests holographic dark energy could stop the universe's expansion.
The Milky Way could be part of a much larger 'cosmic neighborhood' than we realized, challenging our understanding of the universe
A probabilistic new map of the universe surrounding the Milky Way reveals that our galaxy is likely part of an even larger "basin of attraction" than we previously assumed.
Are we wrong about the age of the universe? The James Webb telescope is raising big questions.
Some of the earliest galaxies found with JWST are also the brightest. That's a problem for our ideas about the universe.
