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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LIGO-Virgo-KAGRA to resume and extend the O4 run
The twin LIGO Observatories will soon resume searching for gravitational-wave signals together with their international partners Virgo and KAGRA, and six additional weeks of science observing have been added to the run plan. The worldwide network of advanced gravitational-wave detectors is in the midst of its fourth observing run, O4, which started on 24 May 2023.… 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.