LIGO is operated by the LIGO Laboratory, a consortium of the California Institute of Technology (Caltech) and the Massachusetts Institute of Technology (MIT). Funded by the National Science …

What is LIGO? The acronym, LIGO, stands for "Laser Interferometer Gravitational-wave Observatory". Wholly supported by the U.S. National Science Foundation, LIGO is the world's largest gravitational …

LIGO is a national facility for gravitational-wave research providing opportunities for the broader scientific community to participate in detector development, observation, and data analysis.

The Laser Interferometer Gravitational-Wave Observatory (LIGO) consists of two widely separated installations within the United States — one in Hanford Washington and the other in Livingston, …

Aerial views of the LIGO Livingston (top left) and Hanford (bottom left) observatories. At right, 90 gravitational wave events are depicted in this chart, arranged by their date of detection between …

As technology itself evolves, so too does LIGO, and with each step in its evolution over time, LIGO's instruments and others like it around the world have opened the field of gravitational wave astronomy.

Below are answers to some of the most frequently asked questions about the National Science Foundation Laser Interferometer Gravitational-wave Observatory (NSF LIGO)

LIGO was designed to make such inconceivable, exquisitely small measurements. To learn how LIGO achieves this seemingly impossible task, visit LIGO's Interferometer.

Bringing together "What is LIGO" and "What is an Interferometer?" content to explain LIGO's IFO design.

The Laser Interferometer Gravitational-Wave Observatory (LIGO) consists of two widely separated installations within the United States — one in Hanford Washington and the other in Livingston, …