galaxies Breaking down the structure and history of a nearby — and weird — galaxy Centaurus A is under scrutiny as it eats other galaxies. By Phil Plait 2 days ago How to create a massive black hole: Let it feed on a very dense star cluster Supermassive black hole birth and growth may involve eating lots of stars. By Phil Plait 3 weeks ago Mashup of a galaxy and a quasar evolved into a supermassive black hole Even monsters start out as embryos. By Elizabeth Rayne 1 month ago Over a dozen voracious supermassive black holes seen in a distant galaxy protocluster Supermassive black holes get an early start in galaxy clusters. By Phil Plait 1 month ago For the first time, three supernovae are seen at the same time in a single galaxy! The spiral galaxy NGC 5605 is popping off exploding stars. By Phil Plait 1 month ago The (maybe) most distant galaxy ever seen smashes the old record... by a lot If confirmed, HD1 is the most distant galaxy seen, 13.5 billion light-years away! By Phil Plait 1 month ago Surprisingly high fraction of dead galaxies found in ancient galactic city What's killing these extremely distant galaxies? By Phil Plait 1 month ago Follow-up: ORCs are weird, huge, and still mysterious circles in space Odd Radio Circles may be millions of light-years across. By Phil Plait 1 month ago Another big JWST milestone: The first deep, clear image, with galaxies galore Dozens of distant galaxies seen in newly released James Webb Space Telescope image By Phil Plait 2 months ago A nearby galaxy is giving birth to a brand new baby galaxy! A small galaxy is born from the ripped-out guts of a big one. By Phil Plait 2 months ago Load More
Breaking down the structure and history of a nearby — and weird — galaxy Centaurus A is under scrutiny as it eats other galaxies. By Phil Plait 2 days ago
How to create a massive black hole: Let it feed on a very dense star cluster Supermassive black hole birth and growth may involve eating lots of stars. By Phil Plait 3 weeks ago
Mashup of a galaxy and a quasar evolved into a supermassive black hole Even monsters start out as embryos. By Elizabeth Rayne 1 month ago
Over a dozen voracious supermassive black holes seen in a distant galaxy protocluster Supermassive black holes get an early start in galaxy clusters. By Phil Plait 1 month ago
For the first time, three supernovae are seen at the same time in a single galaxy! The spiral galaxy NGC 5605 is popping off exploding stars. By Phil Plait 1 month ago
The (maybe) most distant galaxy ever seen smashes the old record... by a lot If confirmed, HD1 is the most distant galaxy seen, 13.5 billion light-years away! By Phil Plait 1 month ago
Surprisingly high fraction of dead galaxies found in ancient galactic city What's killing these extremely distant galaxies? By Phil Plait 1 month ago
Follow-up: ORCs are weird, huge, and still mysterious circles in space Odd Radio Circles may be millions of light-years across. By Phil Plait 1 month ago
Another big JWST milestone: The first deep, clear image, with galaxies galore Dozens of distant galaxies seen in newly released James Webb Space Telescope image By Phil Plait 2 months ago
A nearby galaxy is giving birth to a brand new baby galaxy! A small galaxy is born from the ripped-out guts of a big one. By Phil Plait 2 months ago