Related topics: black holes · gamma rays · neutron stars

NASA looks back at 50 years of gamma-ray burst science

Fifty years ago, on June 1, 1973, astronomers around the world were introduced to a powerful and perplexing new phenomenon called GRBs (gamma-ray bursts). Today sensors on orbiting satellites like NASA's Swift and Fermi missions ...

Astronomers puzzled by 'largest' ever cosmic explosion

Astronomers said on Friday they have identified the "largest" cosmic explosion ever observed, a fireball 100 times the size of our Solar System that suddenly began blazing in the distant universe more than three years ago.

page 3 from 23