Astronomers recorded the longest gamma-ray burst in history, GRB 250702B, that may be a cosmic event completely new to ...

Gamma-ray burst, GRB 250702B, lasting for a record-breaking seven hours, stunned researchers Researchers have discovered a ...

On July 2, 2025, NASA's Fermi Gamma-ray Burst Monitor (Fermi-GBM) captured around three hours' worth of signals that appeared ...

An ultra-fast flash from the galaxy M82 reveals what may have been a rare "extragalactic magnetar giant flare." ...

The brightest gamma ray burst ever detected recently reached our planet. It’s 70 times longer than any other burst we’ve spotted, and effectively blinded our instruments when it hit. Researchers say ...

March 29 (UPI) --A gamma-ray burst, which lit up our galaxy last October, was the "brightest burst" ever seen and a once-in-10,000-year explosion, according to NASA. Astronomers have been studying the ...

"They allow us to see back to the earliest times that stars existed." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Scientists may be a step ...

On Sunday, Oct. 9, 2022, a pulse of intense radiation swept through the solar system so exceptional that astronomers quickly dubbed it the BOAT – the brightest of all time. The source was a gamma-ray ...

On Oct. 9, 2022, the orbiting Swift and Fermi gamma-ray detectors observed the brightest gamma-ray burst (GRB) ever seen: GRB 221009A. Astronomers around the world quickly responded by turning as many ...

Astronomers may have recorded the violent birth of one of the weirdest objects our Universe is capable of producing. In a bizarre gamma-ray space explosion whose light reached Earth in 2023, a team ...

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 ...

In its first five years in orbit, NASA’s Swift satellite has given astronomers more than they could have hoped for. Its discoveries range from a nearby nascent supernova to a blast so far away that it ...