See a pair of superheavy neutron stars collide in this simulation with gravitational wave audio. "An audible tone and a visual frequency scale (at left) track the steady rise in the frequency of ...

Two international teams zoned in on a potential answer to a decades-long mystery surrounding ephemeral cosmic X-rays.

Fifty experts on nuclear physics, particle physics and astrophysics met at CERN from 9 to 13 June to discuss how to use ...

Only a few dozen of these short-lived binaries exist in the galaxy at a time, making the serendipitous find extremely ...

Astronomers from the University of Turku in Finland and elsewhere have performed a broadband spectral and timing study of an ...

Neutron stars are some of the weirdest cosmic objects, and the greatest mysteries lie deep in their hearts.

A groundbreaking simulation reveals how neutron star mergers forge black holes, generate gamma-ray bursts, and scatter gold across space—all modeled with extreme detail using one of the world’s ...

Astronomers working with the European Southern Observatory's (ESO) Very Large Telescope (VLT) have detected patterns showing ...

The universe has two kinds of matter. There is invisible dark matter, known only because of its gravitational effects on a ...

I’ve spent much of my long life studying — and trying to understand — the history of the universe. Along the way, I have been constantly reminded that science is essentially international: Science ...

Astronomers have taken the first ever image that shows what happens when a star explodes twice in a supernova.

Neutron stars are some of the weirdest cosmic objects, and the greatest mysteries lie deep in their hearts.