A strange cosmic blast that lit up the sky in two distinct acts is forcing astronomers to rethink how stars live and die. The event, tagged AT2025ulz, appears to be the first known case where a ...

A team of astronomers have found a pair of supermassive black holes near the center of a newly forming galaxy. The black holes were found hiding in the center of the galaxy merger known as UGC 4211.

The eccentricity in the orbits of these black holes, detected using gravitational waves, could tell the story of their creation. When you purchase through links on our site, we may earn an affiliate ...

When space telescopes blazed with high-energy radiation for hours earlier this year, astronomers suspected that they were witnessing something special. The cosmic flash GRB 250702B was no ...

It's pretty challenging for black holes to smash into each other, but it happens. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The many black ...

A distant exoplanet that shouldn't be there anymore has continued to mystify astronomers with its existence after new evidence disproved a leading theory for its survival. The planet, named 8 Ursae ...

The merger of two equal mass neutron stars is simulated using the 3-D code SNSPH. As the two stars merge, their outer edge ejects a spiral of neutron-rich material. The radioactivity in this ejected ...

The binary star system J0923+3028 consists of two white dwarfs that are gradually spiraling in toward each other. In about 100 million years they will merge. Since their combined mass is too low to ...