Update for 2:30 p.m. ET May 28: After the buzz broke, astronomers figured out that the flash was a false alarm. Check out the update. Earlier: A powerful flash of gamma rays, apparently coming from ...

The Swift Gamma-Ray Burst Mission just saw something bright in the Andromeda Galaxy. It was either a Gamma-Ray Burst or an Ultraluminous X-Ray Object, but either way it will be the closest event we’ve ...

Astrophysicists Eric Charles and Mattia Di Mauro discuss the surprising glow of our neighbor galaxy. Astronomers recently discovered a stronger-than-expected glow of gamma rays at the center of the ...

Flash Physics is our daily pick of the latest need-to-know developments from the global physics community selected by Physics World‘s team of editors and reporters The centre of the Andromeda galaxy ...