fermi space telescope

Gamma rays emanate from cosmic explosions that collide with the Moon, causing Earth's natural satellites to become gamma-contaminated and produce radiation.

The Fermi Space Telescope of NASA has discovered a strange stream of gamma rays in the universe. Scientists think they could help reveal many mysteries about antimatter, RT

Two giant bubbles spew out gamma beams that appear in the center of the Milky Way and astronomers don't know where they were born.