CAPE CANAVERAL, Fla. (AP) — Scientists have discovered a gamma ray explosion outside our galaxy that’s not only exceptionally powerful, but also long-lasting. Day and night get equal billing Monday as ...

Astronomers have reported the discovery of an exceptionally powerful and long-lasting gamma-ray explosion beyond our galaxy. First observed in July, this unique burst of high-energy radiation is ...

Astronomers are puzzled after detecting a mysterious repeating series of gamma-ray bursts outside our galaxy. The unknown phenomenon repeated several times over the course of a day, an event unlike ...

CAPE CANAVERAL, Fla. — Scientists have discovered a gamma ray explosion outside our galaxy that's not only exceptionally powerful, but also long-lasting. Telescopes on Earth and in space — including ...

CAPE CANAVERAL, Fla. (AP) — Scientists have discovered a gamma ray explosion outside our galaxy that’s not only exceptionally powerful, but also long-lasting. Enjoy unlimited reading on ...