Centre for Gravitational Astrophysics

Welcome to the Centre for Gravitational Astrophysics

The ANU Centre for Gravitational Astrophysics (CGA), is founded to build a world-leading role for Australia in the science and technology of gravitational wave sources. 

Read about the centre and its history

Discover our degree programs and courses

Learn about our research themes, projects and facilities

Research »

Discover the exciting research happening at CGA, explore our world-class facilities and see how you can be part of it.

Researchers at ANU played a pivotal role in this discovery by providing key instrumentation, including steering mirrors and stabilisation systems, to the Laser Interferometer Gravitational-Wave Observatory (LIGO).

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Technical officers manoeuvre glass substrate prior to polishing in the ANU Research School of Physics cleanroom. Photo: Jamie Kidston/ANU
Thursday, 01 Oct 2026

Researchers from The Australian National University (ANU) have engineered new optical coatings for LIGO, the global collaboration hunting gravitational waves from colliding black holes and neutron stars.

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Wednesday, 02 Apr 2025

Random conversation leads to innovative dark matter detector design

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Exploring the big questions of our universe at the ANU Centre for Gravitational Astrophysics - video thumbnail
Friday, 15 Nov 2024

Several PhD positions are available at The Australian National University Centre for Gravitational Astrophysics.

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Sample event series
14 Dec 2026 | 9am - 12 Feb 2027 | 5pm

CGA Summer Research Program 2026-2027

The ANU Centre for Gravitational Astrophysics hosts the 2026-2027 Summer Research Program at its HQ at The Australian National University. 
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