galaxies
Latest about galaxies
Hubble telescope spots a 'Greater Pumpkin' in space for Halloween
By Kasandra Brabaw published
As families tuck into their couches to watch Charlie Brown's quest for the great pumpkin this Halloween, they may be surprised to hear that NASA has already discovered a "greater pumpkin."
Why are galaxies different shapes?
By Donavyn Coffey published
Some galaxies are swirling blue disks, others are red spheres or misshapen, clumpy messes or something in between. Why the different configurations?
Mysterious force destroys monster black hole's ring of plasma
By Rafi Letzter published
Telescopes all over the world watched a bright flash light up space around a distant, supermassive black hole. And then, within hours, it was gone.
Scientists unveil largest 3D map of the universe ever
By Brandon Specktor published
Scientists unveiled the largest 3D map of the universe ever, showing its expansion rate over 11 billion years.
Origin of 'Mirach's Ghost' perplexes black hole scientists
By Rafi Letzter published
Physicists are step closer to understanding where the largest black holes in the universe came from. But new data reveals even deeper mysteries around their creation.
4 mysterious objects spotted in deep space are unlike anything ever seen
By Mara Johnson-Groh published
Astronomers have discovered four faint objects that at radio wavelengths are highly circular and brighter along their edges. And they're unlike any class of astronomical object ever seen before.
Ancient 'ring of fire' galaxy found glaring at Earth across space and time
By Rafi Letzter published
Eleven billion years ago, a hot, active, eyeball of a galaxy glared across space. It formed in a violent collision, and could help explain the Milky Way's spiral.
Massive disk galaxy could change our understanding of how galaxies are born
By Chelsea Gohd published
A massive, rotating disk galaxy that first formed just 1.5 billion years after the Big Bang, could upend our understanding of galaxy formation, scientists suggest in a new study.
The universe may have been filled with supermassive black holes at the dawn of time
By Rafi Letzter published
As the universe cooled in the era after the Big Bang, a supermassive black hole had already formed in the center of a galaxy, forming a giant engine of energy we can still see today.
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