gamma rays

Scientists have obtained the best view so far of the most powerful type of cosmic explosion, which happened this time in our cosmological “backyard.” Using the High Energy Stereoscopic System ...

By measuring the mass of a nearby dwarf galaxy called Triangulum II, researchers may have found the highest ...

A newly discovered dwarf galaxy orbiting the Milky Way appears to be radiating gamma rays—a sign that dark ...

Each day, thunderstorms around the world produce about a thousand quick bursts of gamma rays, some of the ...

A perplexing gamma ray burst that seemed to move across a supermassive black hole faster than the speed ...

A new discovery offers clues to the creation and origin of gamma rays, the highest-energy form of radioactive ...