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.
LIGO Suspends Third Observing Run (O3)
News Release • March 26, 2020
LIGO suspends third observing run early in response to COVID-19
LIGO Laboratory’s Response to COVID-19
News Release • March 19, 2020
LIGO Laboratory prides itself on being part of a worldwide collection of scientists. At the same time, each detector is also a part of its local community, and we pride ourselves on being good community partners as well. Right now, both local and worldwide communities are being significantly challenged by COVID-19 (the novel coronavirus).
KAGRA Begins Initial Observations
News Release • March 3, 2020
KAGRA gravitational wave detector in Japan began initial GW observations on February 25, 2020
LIGO-Virgo Network Catches Another Neutron Star Collision
News Release • January 6, 2020
LIGO and VIrgo detect another binary neutron star collision, dubbed GW190425.
Update on Quantum Squeezing Device
News Release • December 11, 2019
Update on LIGO and Virgo vacuum squeezing upgrade
The 9th Episode of the Advanced LIGO Documentary Project Released
News Release • December 10, 2019
Episode 9 from Les Guthman in his series "LIGO: A Discovery that Shook the World"
Winner of the 2019 Award for Excellence in Detector Characterization and Calibration Is Announced
News Release • November 29, 2019
Dr. Ling "Lilli" Sun is the winner of the 2019 LIGO Lab Award for Excellence in Detector Characterization and Calibration.
LIGO's Commissioning Break Ends, O3 Resumes
News Release • November 4, 2019
After a month-long commissioning break, LIGO and Virgo have resumed their search for Gravitational Waves
The 8th Episode of the Advanced LIGO Documentary Project Released
News Release • October 21, 2019
Episode 8 from Les Guthman in his series "LIGO: A Discovery that Shook the World"
Two More LIGO Documentary Videos Released
News Release • October 18, 2019
Episodes 6 and 7 from Les Guthman in his series "LIGO: A Discovery that Shook the World"
New LIGO Documentary Videos Released
News Release • October 15, 2019
Two new LIGO documentary films from Les Guthman in his series, LIGO: A Discovery that Shook the World
KAGRA to Join LIGO and Virgo in Hunt for Gravitational Waves
News Release • October 4, 2019
Japan's Kamioka Gravitational-Wave Detector (KAGRA) to team up with LIGO and Virgo in the search for gravitational waves.
LIGO's Commissioning Break Commences
News Release • October 1, 2019
LIGO begins month-long break for maintenance/ upgrades
LIGO's Third Observing Run Started with a Bang!
News Release • August 12, 2019
22 candidate GW events in the first 4 months of O3
LIGO and Virgo Detect Neutron Star Smash-Ups
News Release • May 2, 2019
LIGO and VIrgo detect gravitational waves from what appears likely to be a crash between two neutron stars, and possibly a neutron star-black hole collision.
First Public Gravitational Wave Alert Issued!
News Release • April 11, 2019
LIGO and Virgo have sent out their first-ever “public alert”, informing the world of a possible gravitational wave detection. The candidate event occurred on April 8, 2019.
LIGO and Virgo Resume Search for Ripples in Space and Time
News Release • March 26, 2019
The National Science Foundation's LIGO is set to resume its hunt for gravitational waves on April 1, after receiving a series of upgrades to its lasers, mirrors, and other components.
LIGO and Virgo to Begin Third Observing Run on April 1, 2019
News Release • March 20, 2019
The O2 Data Set Is Now Available
News Release • February 27, 2019
LIGO and Virgo announce the release of the strain data from the O2 observing run.
LIGO Receives New Funding to Search for More Extreme Cosmic Events
News Release • February 14, 2019
The National Science Foundation (NSF) awards Caltech and MIT $20.4 million to upgrade LIGO.
LIGO and Virgo Announce Four New Gravitational-Wave Detections
News Release • December 3, 2018
The National Science Foundation's LIGO (Laser Interferometer Gravitational-Wave Observatory) and the European-based VIRGO gravitational-wave detector have published new results from the first two Observing runs. Four new black hole mergers are newly announced, The LIGO and Virgo collaborations have now confidently detected gravitational waves from a total of 10 stellar-mass binary black hole mergers and one merger of neutron stars, which are the dense, spherical remains of stellar explosions.