Gamma-ray bursts are the most violent explosions in the universe. In a fraction of a second, they can release more energy ...

A hidden white dwarf feeding on the star is the source of the unusual X-ray emissions from the stellar system.

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" ...

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 ...

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 ...

A bright star visible without a telescope has puzzled X-ray astronomers for decades, producing high-energy radiation that no ...

This type of radiation occurs, for example, when mass is converted into energy during fission reactions that run nuclear reactors on Earth. However, in the case of black holes, gamma radiation is even ...