In a remarkable cosmic event, astronomers have detected a black hole-star merger that has resulted in the longest gamma-ray ...

An artist's illustration depicts how a rupture in the crust of a highly magnetized neutron star can trigger high-energy eruptions. - S. Wiessinger/NASA Goddard Space Flight Center Astronomers have ...

Physicists have analyzed two enormous black hole mergers that happened one month apart and have come up with tantalizing ...

By 1973, astronomers had learned enough about these mysterious outbursts to publish the results. What became known as ...

Artistic impression of a neutron star collision leaving behind a rapidly expanding cloud of radioactive material. Credit: NASA Goddard Space Flight Center, CI Lab Artistic impression of a neutron star ...

It isn’t a secret that humanity and everything around us is made of star stuff. But not all stars create elements equally. Sure, regular stars can create the basic elements: helium, carbon, neon, ...

A neutron star's final moments may spark violent starquakes, monster shock waves, and even a fleeting, never-before-seen object called a black hole pulsar. The universe is full of spectacular and ...

Intense gravitational lensing means you’d be able to see much more of a neutron star standing on its surface than you would ...

CC0 Usage Conditions ApplyClick for more information. A bright burst of X-rays has been discovered by NASA's Chandra X-ray Observatory in a galaxy 6.6 billion light years from Earth. This event likely ...

New simulations of neutron star mergers reveal that the mixing and changing of tiny particles called neutrinos impacts how the merger unfolds, including the composition and structure of the merger ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Astronomers have ...