Observations from high-flying aircraft revealed that thunderclouds act as natural particle accelerators, emitting energetic ...

"This is the region where the detector on NASA's orbiting Compton Gamma Ray Observatory makes observations. "Just why Markarian 421 radiates in this unusual manner is a question scientists are very ...

The tempo picked up in 1991 when the Compton Gamma Ray Observatory was launched. It carried an apparatus specifically designed to detect and locate GRBs. It saw about one a day, and it saw them in ...

It would take another two decades and contributions from the Italian Space Agency's BeppoSax and NASA's Compton Gamma-Ray Observatory to show that these outbursts occur far beyond our Milky Way ...