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One of the largest X-ray surveys using the European Space Agency's XMM-Newton space observatory publishes their initial findings mapping the growth of 12,000 supermassive black holes at the cores of galaxies and galaxy clusters.
2021-06-8

LIGO detects a second neutron star merger using its gravitational wave signal after the first such detection in August 2017.
2019-04-25

LIGO and Virgo detect a gravitational wave from a galaxy 6 billion light-years away in the direction of Cassiopeia, with further details being released on April 10.
2019-04-8

The Nobel Prize committee awards Americans Rainer Weiss, Barry Barish, and Kip Thorne the Nobel Prize in Physics for their work in the LIGO Scientific Collaboration that discovered gravitational waves.
2017-10-3

A gravitational wave signal called GW170817 is observed by the LIGO-Virgo-collaboration. A Neutron star collision triggered the gravitational waves which "also created heavy elements such as gold, platinum and lead".
2017-08-17

LIGO and Virgo observatories detect the gravitational wave signal from two merging black holes.
2017-08-14

Scientists announce that the Advanced Laser Interferometer Gravitational-wave Observatory (LIGO) has made a third detection of gravitational waves, named GW170104. The signal beam, detected on 4 January 2017, apparently results from a merger of two black holes of 19 and 31 solar masses. Such detections are said to be progressively moving this emerging field in astronomy "from novelty to new observational science".
2017-06-1

Pan-STARRS project releases its first astronomical catalog, consists of 2 petabytes of data collected over four years. An astronomer from collaborating institution also discloses that his group has studied new types of supernova explosions and the disruptions of stars by supermassive black holes from data of this Massive Digital Sky.
2016-12-28

Scientists confirm a second detection of gravitational waves by LIGO.
2016-06-15

The LIGO Scientific Collaboration experiment announces the first direct observation of gravitational waves.
2016-02-11