An illustration of two stellar-mass black holes merging in the accretion disk of an active galactic nucleus. (Shu-Rui Zhang) ...

The Sun emits light spanning a wide range of energies, from infrared through visible light and up to ultraviolet. It was previously predicted that the Sun could produce gamma rays – electromagnetic ...

By analyzing the data from various space observatories and ground-based telescopes, European astronomers have performed a ...

Gavin Rowell receives funding from the Australian Research Council to support the Cherenkov Telescope Array. Long gone are the days when astronomers only studied the skies with simple optical ...

(Nanowerk News) Australian astronomers have provided vital information in the global effort to understand the brightest-ever detected gamma ray burst, which swept through our Solar System on 9 October ...

Johns Hopkins researchers may have identified a compelling clue in the ongoing hunt to prove the existence of dark matter. A mysterious diffuse glow of gamma rays near the center of the Milky Way has ...

The Milky Way glows with a gamma ray haze, with energies vastly exceeding anything physicists can produce on Earth, according to a new paper. Gamma rays detected in the study, to be published in ...

A team of scientists from Johns Hopkins University has shed new light on a mysterious excess of gamma light coming from the center of the Milky Way. The source of excess gamma-ray radiation, known as ...

A tremendous cosmic explosion 2.4 billion light years away temporarily changed the electric field in Earth’s ionosphere (the electrically-charged upper layer of our atmosphere that helps shield life ...