“We showed that if black hole morsels are created during mergers, they would produce a burst of high-energy gamma rays, with the delay time related to their mass,” Dr. Cacciapaglia said. “Our analysis ...

You might think astronomers have seen it all, but the universe still throws us occasional new mysteries to keep us on our ...

A cosmic explosion known as GRB 250702B is by far the longest gamma-ray burst astronomers have ever seen—if it’s even one at ...

Watch an animation of a black hole shooting jets of particles through a "collapsing star at nearly the speed of light" and ...

In a first-of-its-kind experiment, scientists have recreated "cosmic fireballs" here on Earth in a particle accelerator.The ...

Known as earthquake lights, these luminous phenomena have left geologists and physicists searching for answers. Typically ...

Scientists now believe highly magnetised neutron stars, or magnetars, are a significant source of gold and other heavy ...

Using NASA's Fermi gamma-ray space telescope, astronomers from Shanghai Normal University in China and elsewhere have ...

Researchers at CERN may be on the verge of explaining the universe’s missing gamma rays and hidden magnetic fields.