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Slides

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.
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.
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.
What are gravitational waves? Why are we looking for them? LIGO's Impact Public Alerts

News

Gravwave.2e16d0ba.fill-1600x810-c100

Can Cosmic Collisions Be Predicted Before They Happen?

News Release • March 10, 2023

LIGO researchers are developing early-warning software to nab neutron-star mergers more quickly

Headlines

Latest Update on Start of Next Observing Run (O4)

News Release • January 21, 2023

Winner of the 2022 Award for Excellence in Detector Characterization and Calibration Announced

News Release • November 21, 2022

LIGO Exploration Center opens at Hanford, Washington

News Release • June 8, 2022

LIGO-Virgo-KAGRA Webinar to Discuss Observational Results

News Release • March 21, 2022

LIGO Laboratory's Statement on the War in Ukraine

News Release • March 14, 2022

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