LIGO Scientific Collaboration
The LIGO Scientific Collaboration (LSC) is a group of scientists focused on the direct detection of gravitational waves, using them to explore the fundamental physics of gravity, and developing the emerging field of gravitational wave science as a tool of astronomical discovery.
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LIGO News & Press Releases
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Testing general relativity with observing run O4a data
The LIGO-Virgo-KAGRA collaboration re-examined the validity of general relativity with an expanded dataset, including 42 new high-significance black hole mergers detected during the first part of the observing run O4a. With more gravitational-wave events observed, the tests became increasingly stringent. Those tests are based on assessing the internal consistency of the theory across different stages of coalescence Read More
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Gravitational Waves Explained
LIGO and its partners use spacetime ripples to observe distant collisions involving black holes and neutron stars.
Science Summaries
Read plain-English summaries of our Collaboration publications.
LIGO Magazine
Get an insider’s view into the workings of the LIGO Scientific Collaboration.