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 ...

Astronomers have conducted multiwavelength observations of a recently detected fast X-ray transient designated EP241107a.

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

More and more Hulks are showing up in the MCU and now everyone on Earth may get their own gamma-radiation superpowers. According to a news release from NASA, the largest gamma-ray burst ever detected ...

“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 ...

Scientists at top-tier research institutions have made a significant breakthrough by recreating miniature versions of cosmic ...

"The gamma-ray burst traveled through intergalactic space at the speed of light for eleven billion years, during which time the Sun and the planets were born." — Timothy Ferris, in the film version of ...

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

A sudden brightening in observations of the oldest known galaxy has a rather disappointing explanation. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

A peculiar cosmic explosion first detected by NASA’s Swift observatory on Christmas Day 2010 was caused either by a novel type of supernova located billions of light-years away or an unusual collision ...

A tremendous cosmic explosion 2.4 billion light years away temporarily changed the electric field in Earth’s ionosphere (the electrically-charged upper layer of our atmosphere that helps shield life ...

New findings indicate that intense and mysterious bursts of radiation originate from neutron star mergers that occurred in the early universe. When you purchase through links on our site, we may earn ...