An actual cosmic “Eye of Sauron” had been staring directly toward Earth the entire time, watching us from afar.

Astrophysicists have solved a mystery that led some scientists to speculate that the distribution of certain gamma rays in our Milky Way galaxy was evidence of a form of undetectable "dark matter" ...

Back in 2009, gamma-ray data from the Fermi-Large Area Telescope revealed an unexplained, apparently diffuse, signal from the center of the Milky Way. The origin of this “Galactic Center Excess” has ...

Dec. 12 (UPI) --New analysis by astrophysicists at the Massachusetts Institute of Technology suggests dark matter could explain a mysterious source of gamma rays in the center of the Milky Way. Gamma ...

The highest-energy sunlight is too bright. Astronomers have detected gamma rays coming from the sun that are more energetic than any we have seen before, and there are more of them than any of our ...

Old and fast spinning neutron stars called millisecond pulsars could be responsible for an unexplained signal from the center of our Milky Way, reports a team of astrophysicists in a new study ...