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 ...

Don’t Miss the Full Video Story Below Something enormous is on its way to our cosmic neighborhood. The Milky Way, along with ...

A team of astronomers have observed an explosion in the universe unlike any ever witnessed before. The gamma-ray bursts from outside the Milky Way galaxy repeated several times over the course of a ...

Scientists at Johns Hopkins may be closing in on dark matter’s elusive trail, uncovering a mysterious gamma ray glow at the heart of our galaxy that could signal unseen matter colliding — or perhaps ...

New simulations of Milky Way-like galaxies reveal that the strange split between two chemically distinct groups of stars may arise from several very different evolutionary events. Bursts of star ...

Unusual stellar remnants suggest the Milky Way might have eaten a galaxy called Loki billions of years ago, according to new ...

This image provided by the European Southern Observatory shows a powerful explosion, orange dot at the center of the image, that repeated several times over the course of a day, The image, taken with ...