Astrophysicists using NASA’s Neutron Star Interior Composition Explorer (NICER) have detected X-rays from a stellar-mass black hole called MAXI J1820+070...
The twin LIGO (Laser Interferometer Gravitational-Wave Observatory) detectors, located in Livingston, Louisiana, and Hanford, Washington, and the Virgo...
A distant relative to GW170817, the first source identified to emit gravitational waves and light, has been discovered. Reported in the journal Nature...
Conditions favorable for gravitational wave-emitting mergers of massive black holes exist in the outer gas disks of big spiral galaxies, according to a...
A new study using X-ray data from NASA’s Chandra X-ray Observatory indicates that the neutron star merger that became the gravitational wave source,...
Astronomers using NASA’s Chandra X-ray Observatory have discovered what they believe are 12 stellar-mass black holes gathered around Sagittarius A*,...
An international team of astronomers led by Georg-August-Universität Göttingen researcher Benjamin Giesers has discovered a star in the globular cluster...
A sudden flare from a low-mass black hole in the binary system V404 Cygni has offered astrophysicists a unique opportunity to make precise measurements...
A trio of astronomers at the University of California, Irvine, claims that stellar-remnant black holes, which result from the collapse of massive stars...
Scientists from the LIGO Scientific Collaboration and the Virgo Collaboration have made a third detection of gravitational waves, ripples in the fabric...
Using data from the Australia Telescope Compact Array, NASA’s Chandra X-ray Observatory and NuSTAR telescope, a team of astronomers has found evidence...
Computer simulations of a globular cluster called NGC 6101 reveal that it contains several hundreds of stellar-mass black holes, until now thought impossible.
This...