latest news

LIGO Lab and LSC release strain data from Science Run S6

June 2015 -- The LIGO Laboratory and the LIGO Scientific Collaboration (LSC) are pleased to announce the public release of strain data taken by the project's two gravitational wave detectors during LIGO's sixth science run (S6) that occurred from July 2009 through October 2010. This release follows the release of the LIGO S5 data in August 2014.

Read more about the S6 data release.

Dedication of Advanced LIGO

19 May 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. See more at Caltech News.

Ask Them Anything: LSC's interactive AMA session on reddit

13 February 2015 -- In conjunction with the launch of the documentary film "LIGO Generations" on, the LSC hosted an interactive Ask Me Anything (AMA) session at Read questions and answers at LIGO's We're Scientists of LIGO Reddit page.

LIGO Generations: A New Documentary about LIGO

30 January 2015 - Kai Staats, the filmmaker behind "LIGO, A Passion for Understanding" documentary released in April 2014, has released a new documentary about LIGO titled "LIGO Generations." This new film shows how scientists bridge the gap between the special language of astrophysics and bright young students. Watch the 25-min movie.

Latest BICEP2/Keck Array/Planck Results on Primordial Gravitational Waves

30 January 2015 - A new joint analysis of BICEP2/Keck Array and Planck data fits the CMBR polarization measurements carried out by these experiments to an improved model of galactic dust and a possible contribution from primordial gravitational waves generated by inflation.

Read more about BICEP2 result.

LIGO S5 Data Release

22 August 2014 - The LIGO Laboratory and the LIGO Scientific Collaboration (LSC) are pleased to announce the public release of two years of data taken by the project's three gravitational wave detectors during LIGO's fifth science run (S5) that occurred from 2005 through 2007.

Please visit the LIGO Open Science Center (LOSC) Web site. The LOSC site offers a number of resources to help participants understand gravitational wave science and LIGO data. LIGO encourages users to register for the LOSC email list. List subscribers will stay informed of updates and future releases, and can send questions and comments to the LOSC development team.

Read more about the S5 data release.

LIGO, A Passion for Understanding: A Documentary about LIGO and People Behind It

15 April 2014 - A documentary by filmmaker Kai Staats shows the science and people behind LIGO. Watch the 22-minute movie, called "LIGO, A Passion for Understanding."

aLIGO Dedication

A photo of mirror installation at LIGO

Researchers installing some of the small suspended LIGO mirrors in the vacuum system. Image credit: Caltech/MIT/LIGO Lab.