StarBurst, a wide-field gamma ray observatory, arrived at March 4 for environmental testing and final instrument integration.

At a famous 1950 lunch among physicists, Enrico Fermi wondered, "Where are all the aliens?" How far have we come toward ...

Astrophysicists Capture Astonishing Images of Gamma-Ray Flare from Supermassive ... two decades' worth of data from NASA's Chandra X-Ray Observatory to show there's new knotty science to discover ...

Among the most fascinating phenomena are gamma rays, the most energetic form of electromagnetic radiation. Recently, ...

UK stargazers were treated to a partial solar eclipse on Saturday morning, a phenomenon that sees the sun partially obscured ...

For over a decade, a star system on the verge of unleashing a deadly gamma ray burst appeared to have its guns trained on ...

From left to right, NASA Marshall engineers Carlos Diaz and John Luke Bili, U.S. Naval Research Laboratory mechanical ...

An international team of astronomers reports the detection of four new gamma-ray millisecond pulsars using the Murriyang ...

Scientists at the Max Planck Institute for Extraterrestrial Physics have published the cosmological results of the first X-ray sky survey of the Western Galactic Hemisphere by the eRosita space ...

We now know it's oriented in such a way that its gamma-ray burst would not lash Earth with a blast of deadly radiation ... a pretty safe assumption that the two stars are orbiting the same way," says ...

The Cherenkov Telescope Array (CTA) is a project to build a new generation ground-based gamma-ray observatorium. It will consist of two arrays of Imaging Atmospheric Cherenkov telescopes, one being ...

The "cosmic pinwheel" that astronomers feared could one day shower Earth with lethal gamma rays may not be ... of observations conducted at the Keck Observatory in Hawai'i, which measured the ...