New material to improve the range of gravitational wave detectors
News Release • August 17, 2021
A novel material developed by LIGO scientists would reduce thermal noise in mirror coatings by a factor of two, paving the way to the next generation of gravitational-wave detectors.
LIGO, Virgo and KAGRA Observing Run Plans
News Release • July 16, 2021
LVK observing plans, July 2021 update
LIGO-Virgo-KAGRA Webinar on Latest Observational Results
News Release • June 29, 2021
An LVK webinar to discuss results from the collaboration's paper entitled “Gravitational waves from neutron star-black hole coalescences”, published 29 June 2021.
LIGO-Virgo-KAGRA Finds Elusive Mergers of Black Holes with Neutron Stars
News Release • June 29, 2021
LVK scientists capture two NSBH merger events 10 days apart in January 2020.
LIGO-Virgo-KAGRA Webinar on Recent Search for Lensing Signatures in Gravitational-wave Observations
News Release • May 24, 2021
Watch a video of the webinar.
O3a Bulk Strain Data Release
News Release • April 17, 2021
LIGO/Virgo release latest data to the public
LIGO-Virgo-KAGRA Webinar to Discuss New Results on the Gravitational-wave Background
News Release • February 2, 2021
An online LVK webinar entitled “Constraining astrophysical and cosmological gravitational-wave backgrounds with Advanced LIGO and Virgo's 3rd observing run.”
LIGO and Virgo to Receive IEEE Milestone Plaques
News Release • January 22, 2021
IEEE to bestow the Milestone awards to the gravitational-wave observatories of LIGO and Virgo.
Winner of the 2020 Award for Excellence in Detector Characterization and Calibration Announced
News Release • November 23, 2020
Siddharth Soni (Louisiana State University) is the winner of the 2020 Award for Excellence in Detector Characterization and Calibration.
3rd LIGO/Virgo Webinar on the Latest Results from the First-half of the 3rd Observing Run
News Release • November 16, 2020
3rd LIGO/Virgo webinar on the latest results from the 1st half of the 3rd Observing Run
2nd LIGO/Virgo Webinar on the Latest Results from the First-half of the 3rd Observing Run
News Release • November 10, 2020
2nd LIGO/Virgo webinar on the latest results from the 1st half of the 3rd Observing Run
1st LIGO/Virgo Webinar on the Latest Results from the First-half of the 3rd Observing Run
News Release • November 2, 2020
LIGO-Virgo webinar (1 of 3) to discuss the GWTC-2 results
LIGO and Virgo Announce New Detections in Updated Catalog
News Release • October 28, 2020
LIGO/Virgo release second Gravitational Wave Transient Catalog (GWTC-2)
LIGO Celebrates 5th Anniversary of First Gravitational Wave Detection
News Release • September 14, 2020
Staff remember that historic day, and reflect on what's happened since then.
A “bang” in LIGO and Virgo detectors signals most massive gravitational-wave source yet
News Release • September 2, 2020
GW190521, a binary black hole merger likely produced gravitational waves equal to the energy of eight suns.
Webinar on GW190521 Results from the LIGO-Virgo-Kagra Collaboration
News Release • September 1, 2020
On September 3rd, in a live webinar, the LIGO-Virgo-Kagra Collaboration will discuss the GW190521 results.
LIGO Observatories Humming with Upgrade Activities
News Release • August 24, 2020
Some LIGO staff and engineers have returned to the sites to begin planned upgrades.
Quantum fluctuations can jiggle objects on the human scale
Feature Story • July 1, 2020
For the first time, a team led by researchers at LIGO MIT has measured the effects of quantum fluctuations on an object at the human scale.
LIGO-Virgo Finds Mystery Object in "Mass Gap"
News Release • June 23, 2020
LIGO and Virgo report the observation of a merger involving a black hole of 23 solar masses and a compact object of 2.6 solar masses, detected during LIGO’s and Virgo’s 3rd observing run on August 14, 2019. The merger resulted in a final black hole of about 25 solar masses, located about 800 million light-years from Earth.
LIGO shares Caltech and MIT statements responding to the Death of George Floyd
News Release • June 5, 2020
LIGO Laboratory which is managed by Caltech and MIT, would like to share their statements regarding recent events:
GW190412: The Merger of Two Black Holes with Unequal Masses
News Release • April 20, 2020
On April 12, 2019, LIGO and Virgo observed gravitational waves produced by the inspiral and merger of two black holes of unequal masses, an event dubbed GW190412.