LIGO Scientific Collaboration
The LIGO Scientific Collaboration (LSC) is a group of scientists from many countries who work together to find gravitational waves. These are tiny ripples in space caused by big events in the universe, like stars colliding. The LSC works with the LIGO Laboratory, which is based at the California Institute of Technology and the Massachusetts Institute of Technology. The LIGO Laboratory built and runs special observatories to detect these ripples.
The LSC helps make better tools to find these waves, collects data from the LIGO observatories and another detector called GEO600, and checks the data to make sure it is correct. They also study the data to learn new things about the universe and share their findings with the world. As of 2025, the leader of the LSC is Stephen Fairhurst from Cardiff University.
History
The LIGO Scientific Collaboration, or LSC, began in 1997 to help scientists work together on studying gravitational waves. It makes sure that everyone has fair chances to join in the research and share their findings. Scientists from many places around the world are part of this group.
Members of the LSC can use special tools, called detectors, in places like Hanford, Washington, Livingston, Louisiana, and Sarstedt, Germany. They also work with scientists in Italy to share information from another detector there. In 2016, these teams made an important discovery: they observed gravitational waves for the very first time. This was a big moment for science!
Collaboration leaders
| Spokesperson Name | Term of office | Deputy or Assistant |
|---|---|---|
| Rainer Weiss | 1997-2003 | none |
| Peter Saulson | 2003-2007 | none |
| David Reitze | 2007-2011 | none |
| Gabriela González | 2011-2017 | Marco Cavaglià, Assistant (2013-2017) |
| David Shoemaker | 2017-2019 | Laura Cadonati, Deputy (2017-2019) |
| Patrick Brady | 2019-2025 | Jess McIver, Deputy (2023-2025) |
| Stephen Fairhurst | 2025-2027 | Peter Shawhan, Deputy (2025-2027) |
Collaboration member groups
Institutional members of the LIGO Scientific Collaboration as of July 2025, from public summary of the LSC roster https://my.ligo.org/census.php
Keep exploring
This article is a child-friendly adaptation of the Wikipedia article on LIGO Scientific Collaboration, available under CC BY-SA 4.0.
