A black hole weighing roughly 50 million times the mass of the Sun has been directly measured inside a faint, compact object ...

An international effort led by astrophysicists at the Niels Bohr Institute, University of Copenhagen, and the Technical University of Denmark has identified a distant object with properties that lie ...

Astronomers have identified a faint near-infrared source at the precise location of a fast radio burst in the galaxy NGC 4141 ...

As part of the Decadal Survey on Astronomy and Astrophysics (Astro2020), the Panel on Compact Objects and Energetic Phenomena will identify and articulate the scientific themes that will define the ...

The detection of dark matter, an elusive form of matter believed to account for most of the universe's mass, remains a long-standing goal within the physics research community. As this type of matter ...

A team of scientists found a compact object 40,000 light-years from Earth that is either a very massive neutron star or an itsy-bitsy black hole, but they’re not sure which. The so-called mass gap ...

In a recent issue of Science Magazine, the High Energy Stereoscopic System (H.E.S.S.) team of international astrophysicists reports the discovery of another new type of very high energy (VHE) gamma ...

The LIGO/VIRGO/KAGRA collaboration searches the universe for gravitational waves produced by the mergers of black holes and neutron stars. It has now announced the detection of a signal indicating a ...

During the height of the cold war in 1967, the Vela military satellites of the United States observed mysterious flashes of gamma rays. Due to the lack of information regarding their origin, the ...