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LIGO Launches "Gravity Spy" Citizen Science Program

News Release • October 18, 2016

LIGO's newest Citizen Science Program, Gravity Spy, will enable anyone around the world to help LIGO scientists and LIGO computers become better and faster at finding the telltale traces of gravitational waves.

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LIGO Celebrates First Anniversary of Historic Gravitational Wave Detection!

Feature Story • September 14, 2016

Today, LIGO celebrates and reflects on the first ever detection of gravitational waves, made on September 14, 2015.

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LIGO Pioneers Receive Kavli Prize in Norway

News Release • September 9, 2016

LIGO's Kavli Prize winners received their awards this week in Oslo, Norway

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aLIGO Engineering Team Receives Prestigious Optical Society Award

News Release • September 7, 2016

LIGO is pleased to announce that The Optical Society (OSA) has selected the Advanced LIGO Engineering Team as the 2016 recipient of the Paul F. Forman Team Engineering Excellence Award.

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LIGO Does It Again: A Second Robust Binary Black Hole Coalescence Observed

News Release • June 15, 2016

On December 26, 2015, LIGO's detectors caught a second robust signal from two black holes in their final orbits and then their coalescence into a single black hole.

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News Release • June 15, 2016

GRAVITATIONAL WAVES DETECTED FROM SECOND PAIR OF COLLIDING BLACK HOLES.

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Congratulations LISA Pathfinder!

News Release • June 7, 2016

The LIGO team congratulates LISA Pathfinder on their results published in Physical Review Letters. LISA Pathfinder is testing the key technologies that will go into a space-based gravitational wave detector. Such detectors will complement ground-based gravitational wave detectors such as LIGO.

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LIGO Collaboration Receives Two Major Scientific Awards

News Release • May 4, 2016

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LIGO Mourns the Loss of Vladimir Braginsky

Feature Story • April 25, 2016

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LIGO India MOU signed

News Release • March 31, 2016

The National Science Foundation's director, France A. Córdova has signed a Memorandum of Understanding with officials in India to officially mark the go-ahead for constructing a third LIGO advanced gravitational wave detector in India.

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LIGO Members Testify Before US Congress on Gravitational Wave Discovery

News Release • February 18, 2016

The House Committee on Science, Space, and Technology has asked LIGO Scientific Collaboration members to testify on the discovery of gravitational waves, its meaning for science and society, and what the future may hold.

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India Approves Construction of Third LIGO Observatory!

News Release • February 17, 2016

In the wake of LIGO's detection of gravitational waves, the Indian government has approved the construction of the long-awaited third LIGO interferometer. LIGO Laboratory Executive Director, David Reitze expressed his excitement.

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White House Congratulates the LIGO Team

Feature Story • February 12, 2016

President Obama congratulates the LIGO team on Twitter. John P. Holdren, Assistant to the President for Science and Technology and Director of the White House Office of Science and Technology Policy, also congratulates the LIGO Team.

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Gravitational Waves Detected 100 Years After Einstein's Prediction

News Release • February 11, 2016

For the first time, scientists have observed ripples in the fabric of spacetime called gravitational waves, arriving at the earth from a cataclysmic event in the distant universe. This confirms a major prediction of Albert Einstein's 1915 general theory of relativity and opens an unprecedented new window onto the cosmos.

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Advanced LIGO's First Observing Run Comes to an End

News Release • January 12, 2016

The Advanced LIGO detectors completed their first ever official observing run on January 12, 2016, after a 5-year instrument upgrade.

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LIGO Featured in BBC World Service Radio Documentary

News Release • September 21, 2015

The BBC World Service has produced a documentary featuring LIGO and its new quest to detect gravitational waves.

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The Newest Search for Gravitational Waves has Begun

News Release • September 18, 2015

On September 18, 2015, after a 7-year redesign and rebuild, the twin LIGO 'advanced' interferometers officially began their search for gravitational waves.

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The Countdown to First Observations has Begun

News Release • July 31, 2015

LIGO will get a running start on its first Observation Run 'O1' with an Engineering Run, 'ER7', beginning on Monday, August 17th, 2015.

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Finding Einstein: Dedicating the Advanced LIGO Detectors

News Release • May 19, 2015

The Advanced LIGO Project, a major upgrade that will increase the sensitivity of the LIGO instruments by a factor of 10 and provide a 1,000-fold increase in the number of astrophysical candidates for gravitational wave signals, was officially dedicated in a ceremony held at the LIGO Hanford facility in Richland, Washington.