Was GW190521 the result of eccentric, non-aligned black holes merging?

New analysis of a big merger yields strange results.

By Phil Plait 3 months ago

There’s gold in them thar colliding neutron stars

Grab your pickaxe and space ship!

By Cassidy Ward 6 months 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 6 months ago

The Universe is shaking: 39 new gravitational wave events added to the list

By Phil Plait 1 year ago

The biggest black hole merger ever detected rocked the Universe and left behind a mystery

By Phil Plait 1 year ago

A big black hole just ate a much smaller black hole. Or a neutron star. Maybe.

By Phil Plait 1 year ago

Two black holes merged into one, singing in tune the whole time

By Phil Plait 2 years ago

*FOUR* new black hole mergers have been found blasting out gravitational waves!

By Phil Plait 3 years ago

Last year, two merging neutron stars rocked astronomy. Now it looks like they left behind a black hole.

By Phil Plait 3 years ago

Ho hum, just another black hole merger that blasted out soul-crushing amounts of energy and shook the fabric of reality

By Phil Plait 4 years ago