Rare black hole might be what is left after one galaxy devoured another

Are an intermediate-mass black hole and its star cluster all that's left after a galaxy ate another galaxy?

By Elizabeth Rayne 10 hours ago

So, about that black hole found in a nearby galaxy… yeah, maybe not so much

Black hole findings called into question.

By Phil Plait 1 min ago

There’s gold in them thar colliding neutron stars

Grab your pickaxe and space ship!

By Cassidy Ward 9 min ago

Where are all the monstrous, massive, missing black holes?

Most telescopes can make out things human eyes would fail spectacularly at seeing, but not huge black holes.

By Elizabeth Rayne 6 min ago

Black hole in Milky Way satellite galaxy found as it tosses around its companion

It has a mass equivalent to 11.1 Suns.

By Phil Plait 6 days ago

*Thirty-five* new black hole and neutron star mergers found, bringing total known to 90

Gravitational wave astronomy is coming into its own 

By Phil Plait 2 days ago

Gargantuan black holes could be growing and growing as the universe expands

Unexpectedly huge black holes might have gotten gargantuan from the universe expanding.

By Elizabeth Rayne 2 days ago

Warped black hole is totally gnarly, and so is what messed it up

An X-ray transient that was one of the brightest such objects ever observed came out of a warped black hole.

By Elizabeth Rayne 1 week ago

Why does our black hole have a flaring temper?

Sgr A*, our supermassive black hole, keeps flaring, and we could soon find out what sets it off.

By Elizabeth Rayne 1 week ago

Zombie stars can switch themselves on and off like black holes

Astronomers have spotted a white dwarf star that is “switching” on and off, brightening and dimming.

By Elizabeth Rayne 1 week ago