GRB 250702B is 'the longest gamma-ray burst that astronomers have ever observed,' according to NOIRLab. See imagery of the ...

In a remarkable cosmic event, astronomers have detected a black hole-star merger that has resulted in the longest gamma-ray burst ever recorded. This event not only shatters previous records in ...

A group of ESO and CTAO representatives, as well as Chilean authorities and regional representatives pose for a group photo near a monument at the CTAO-South site, where a symbolic time capsule was ...

WASHINGTON, Oct 16 (Reuters) - Scientists may be coming closer to confirming the existence of dark matter - the invisible stuff thought to make up more than a quarter of the cosmos - as they study a ...