This July, astronomers were left reeling by an event unlike anything seen before: a gamma-ray burst (GRB) that repeated four ...

When space telescopes blazed with high-energy radiation for hours earlier this year, astronomers suspected that they were ...

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

When space telescopes blazed with high-energy radiation for hours earlier this year, astronomers suspected that they were witnessing something special. The cosmic flash GRB 250702B was no ...

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

Astronomers observed the fading light of supernova SN 2025kg, which followed the fast X-ray transient (FXT) named EP 250108a.

In the 1960s, the United States, the United Kingdom, and the Soviet Union signed a treaty banning nuclear weapons tests ...

Stars often fall into black holes, and now it seems the opposite can also occur, producing an extra long-lasting explosion as the star is consumed from within ...

A powerful new telescope has captured its first glimpse of the cosmos, and could transform our understanding of how stars, ...

Astronomers have discovered the longest gamma-ray burst ever recorded, revealing that a black hole literally consumed a star ...