An artist’s impression of two black holes about to collide and merge. The merger of two black holes in a binary system emits energy that can be detected on Earth by gravitational-wave observatories. The LIGO Scientific Collaboration and the VIRGO Collaboration have announced tens of confident detections of such mergers to date. […]

An artist’s impression of quasar J0313-1806 showing the supermassive black hole and the extremely high velocity wind. The quasar, seen just 670 million years after the Big Bang, is 1000 times more luminous than the Milky Way, and is powered by the earliest known supermassive black hole, which weighs in […]

Black hole illustration. Credit: Aurore Simonnet and NASA’s Goddard Space Flight Center Astronomers are searching for signs of a supermassive black hole in the galaxy cluster Abell 2261. Nearly all large galaxies contain central black holes, and the galaxy in the middle of Abell 2261 is expected to contain a particularly massive […]

Baby universes branching off of our universe shortly after the Big Bang appear to us as black holes. Credit: Kavli IPMU The Kavli Institute for the Physics and Mathematics of the Universe (Kavli IPMU) is home to many interdisciplinary projects which benefit from the synergy of a wide range of […]

Illustration of the galaxy called CQ4479. The extremely active black hole at the galaxy’s center is consuming material so fast that the material is glowing as it spins into the black hole’s center, forming a luminous quasar. Quasars create intense energy that was thought to halt all star birth and […]

Position and velocity map of the Milky Way Galaxy. Arrows show position and velocity data for the 224 objects used to model the Milky Way Galaxy. The solid black lines show the positions of the Galaxy’s spiral arms. The colors indicate groups of objects belonging the same arm. The background […]

Credit: University of Nottingham Researchers have developed a new theory for observing a quantum vacuum that could lead to new insights into the behavior of black holes. The Unruh effect combines quantum physics and the theory of relativity. So far it has not been possible to measure or observe it, […]

Artistic representation: In a merger of neutron stars extreme temperatures and densities occur. Credit: Dana Berry, SkyWorks Digital, Inc. A new study lead by GSI scientists and international colleagues investigates black-hole formation in neutron star mergers. Computer simulations show that the properties of dense nuclear matter play a crucial role, which directly […]

This illustration generated by a computer model shows multiple black holes found within the heart of a dense globular star cluster. Credit: Aaron M. Geller, Northwestern University/CIERA New analysis of gravitational-wave data leads to wealth of discoveries. An international research collaboration including Northwestern Universityastronomers has produced the most detailed family portrait […]