OzGrav

@ozgrav.bsky.social

735 curious minds. 3 hours. Countless conversations about science. 🔭✨ OzGrav had a fantastic time at the Blacktown City Family Science Fun Day 2026, where we joined hundreds of families for a morning of hands-on discovery and exploration. A big thank you to Blacktown City Council for hosting us.

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Last week, early career researchers from Australia and Japan came together in Kanazawa for the Joint OzGrav–KAGRA Early Career Researcher School—combining cutting-edge gravitational-wave science with cultural exchange, collaboration and new friendships. Read more: www.ozgrav.org/news/austral...

The Next Generation of Australia–Japan Scientific Collaboration - OzGrav

Celebrating the 50th anniversary of the Australia–Japan Basic Treaty of Friendship and Cooperation through science, cultural exchange and collaboration. Young gravitational-wave researchers from…

ozgrav.org

🕳️ Are all black holes formed the same way? Maybe not. OzGrav Postdoc Dr Sharan Banagiri from Monash University has led a new study that finds merging black holes fall into three distinct families, offering new clues about how these cosmic giants form and evolve. www.ozgrav.org/news/scienti...

Scientists uncover three branches of the black hole family tree - OzGrav

For a decade, gravitational-wave observatories have been detecting collisions between black holes across the Universe. Now, after analysing more than 150 binary black hole mergers, researchers have…

ozgrav.org

How fast is the Universe expanding? An international team led by OzGrav PI Dr Kelly Gourdji (CSIRO) and OzGrav CI Prof Adam Deller (Swinburne University) has taken a new step towards answering one of cosmology's biggest questions. 🔗 Read more: www.ozgrav.org/news/new-mea...

New measurement brings us closer to understanding the Universe’s rate of expansion - OzGrav

Researchers closely observing the fiery aftermath of an immense cosmic collision have made a new measurement of the speed at which the Universe is expanding. The international team led by researchers…

ozgrav.org

Congrats to Professor David Blair AO on being recognised in the 2026 King's Birthday Honours for his distinguished service to physics, precision measurement science, gravitational-wave research and scientific education. We are incredibly proud of this recognition. www.ozgrav.org/awards/ozgra...

OzGrav congratulates Professor David Blair AO on King's Birthday Honour - OzGrav

OzGrav is delighted to congratulate Professor David Blair, one of Australia’s pioneering gravitational-wave physicists, on being appointed an Officer of the Order of Australia (AO) in the 2026 King’s ...

ozgrav.org

The latest gravitational-wave catalog from the LIGO–Virgo–KAGRA Collaboration has added 161 new detections, bringing the total number of observed signals to 390. Researchers found evidence that black holes may form through multiple different pathways. Read more: www.ozgrav.org/news/scienti...

Scientists find the Universe has multiple ways of manufacturing black holes - OzGrav

The LIGO-Virgo-KAGRA (LVK) Collaboration has today released its latest catalog of gravitational-wave detections. The data analysed for this update were collected by the twin Laser Interferometer Gravi...

ozgrav.org

How do you check the accuracy of instruments designed to detect ripples in spacetime? By using colliding black holes. OzGrav researchers have demonstrated a new way to use gravitational waves themselves to help calibrate the detectors that observe them. Read more: www.ozgrav.org/news/how-bla...

How black hole mergers are helping scientists calibrate the Universe’s most sensitive instruments - OzGrav

An international team of scientists from the LIGO, Virgo, and KAGRA collaborations, including researchers from the ARC Centre of Excellence for Gravitational Wave Discovery (OzGrav), has shown for the...

ozgrav.org

🍻 Canberra - science meets the pub. OzGrav’s Dr Rowina Nathan and Dr Liana Rauf are speaking at the Canberra edition of Pint of Science, bringing gravitational waves, galaxy mapping, and cutting-edge astrophysics to the stage. 📅 Wed 20 May | 6:30pm 🎟️ $15 pintofscience.com.au/event/traver...

Traversing the Universe

Strap yourselves as our astrophysics researchers take you on a journey of the Universe. They’ll explain how gravitational waves can create a map of the Uni…

pintofscience.com.au

This week, OzGrav researchers from two of our key programs came together at the University of Melbourne for a Collaboration Planning Workshop — bringing different expertise into the same room, sharing tools and approaches, and creating space to spark new projects.

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We’re excited to share that OzGrav has been featured on NASA’s Astronomy Picture of the Day 🌌 This stunning visual combines real astrophotography of the Tarantula Nebula with an OzGrav simulation of two black holes in their final “death dance”. 🔗 See the full feature: apod.nasa.gov/apod/fap/ap2...

APOD: 2026 April – Caught in the Web

A different astronomy and space science related image is featured each day, along with a brief explanation.

apod.nasa.gov

Congrats to OzGrav’s Dr Cullan Howlett - awarded the 2026 Pawsey Medal 👏 His research, focused on assembling the largest & most complete map of our universe ever made, has shaped our understanding of the fundamental forces & ingredients that make up the world around us. vimeo.com/1164875635/b...

Dr Cullan Howlett - 2026 Pawsey Medal

This is "Dr Cullan Howlett - 2026 Pawsey Medal" by Australian Academy of Science on Vimeo, the home for high quality videos and the people who love them.

vimeo.com

OzGrav postdoc Dr Rowina Nathan attended Science Meets Parliament last week, bringing gravitational-wave science into conversations with policymakers. From discussing the role of missions like GRACE in tracking water movement during floods, to learning how science can better inform policy!

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Our first Space Times newsletter for 2026 is out now 🚀 This March edition highlights new insights into twin black hole mergers, alongside the outreach, mentoring, and Centre-wide efforts that keep OzGrav thriving. Explore the latest edition: www.ozgrav.org/space-times-... → Click March 2026

Space Times Newsletters - OzGrav

Do you have exciting news or stories to share with the OzGrav community? We welcome submissions for the following categories:

ozgrav.org

OzGrav Associate Investigator Dr Anaïs Möller explains how the Vera C. Rubin Observatory is about to create a 10-year “movie” of the southern sky — and help us probe dark energy. She also co-leads Fink, one of Rubin’s AI-powered community brokers. Read more: theconversation.com/20-billion-g...

20 billion galaxies: new survey of the sky will reveal the universe in unprecedented detail

The Rubin Observatory in Chile has the largest camera ever built – and is set to find objects never before seen by human eyes.

theconversation.com

A cosmic explosion with the force of a billion Suns went unseen — until we caught its echo. OzGrav’s Prof Tara Murphy & PhD student Ashna Gulati have uncovered what may be the clearest “orphan afterglow” yet, the radio ghost of a hidden gamma-ray burst. Read: theconversation.com/a-cosmic-exp...

A cosmic explosion with the force of a billion Suns went unseen – until we caught its echo

Astronomers captured the clearest example yet of one of these hidden explosions.

theconversation.com

When two neutron stars collide, they shake spacetime and light up the cosmos in a brilliant flash called a kilonova. OzGrav researchers Dr Anais Möller, Dr Jade Powell and Dr Simon Stevenson explore how the Vera C. Rubin Observatory could help spot these rare events. aasnova.org/2026/02/04/h...

How Many Kilonovae Will Rubin Observatory Help Us Spot? - AAS Nova

Vera C. Rubin Observatory will detect an astonishing number of transients — including kilonovae from colliding neutron stars.

aasnova.org