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How safe is OPAL?
The OPAL research reactor's design and integrated safety features mean it is extremely safe; a fact confirmed by independent analysis.
What's new in nuclear power technologies
It's ANSTO's role to keep Australia across the very latest developments in nuclear science and technology from around the world. Part of this responsibility is keeping us abreast of the latest developments in nuclear power technologies.
OPAL reactor back online after planned long shutdown
ANSTO’s OPAL multi-purpose research reactor at Lucas Heights has officially returned to power and recommenced operations, following a months-long planned shutdown to carry out essential maintenance and upgrades.
Why OPAL is an advanced reactor
With the screening of the popular HBO series about Chernobyl, we asked our Nuclear Analysis team for their insights on key differences between the reactor in the TV series, a Generation II RBMK power reactor and ANSTO’s state of the art research reactor OPAL.
Independent Report - Safety of Building 23
ANSTO has released the Independent Safety Review of Building 23 - Nuclear medicine production facility.
Australian Centre for Neutron Scattering
The Australian Centre for Neutron Scattering (ACNS) is a major research facility for neutron science that comprises a suite of neutron instruments with a range of techniques for scientific investigations in physics, chemistry, materials science, medicine and environmental science among other fields.
Supporting Australia’s resources sector manage Naturally Occurring Radioactive Materials
Highlights - Aerosol Sampling
ANSTO has been tracking and publishing data on fine particle pollution from key sites around Australia, and internationally, for more than 20 years.
A look back at the monumental achievement of constructing the OPAL reactor
INVAP, the Argentinian advanced nuclear technology company, who designed and constructed the Open Pool Lightwater Reactor (OPAL) for ANSTO to replace the HIFAR reactor is celebrating 50 years of operations with the visit of a group of INVAP executives to ANSTO to celebrate their achievements and discuss future collaborations.
Restarting a nuclear reactor series: It’s all in the preparation and slow and careful actions
ANSTO recently re-started the OPAL Reactor after a six-month shutdown for essential maintenance and the installation of an upgraded facility.
On the record: Letter to the Editor of Sydney Morning Herald
Letter to Editor of the Sydney Morning Herald following publication of news report
Archive
See details of previously published customer updates from our Health products team.
Our History
In April 15, 1953, Australia entered the nuclear science arena, when the Atomic Energy Act came into effect. The Australian Atomic Energy Commission (AAEC) followed and in 1987 the AAEC evolved into the Australian Nuclear Science and Technology Organisation (ANSTO) as it’s known today.
Teacher Professional Development Courses
ANSTO is an experienced provider of Teacher Professional Development for Australian and International teachers and our courses cover a wide range of topics. Hear from expert speakers, receive new education resources, and develop lessons for your own class.
What are radioisotopes?
Radioisotopes are widely used in medicine, industry, and scientific research. New applications for radioisotopes are constantly being developed.
Management of nuclear reactor fuel
ANSTO has safely managed its radioactive waste for over 60 years. Waste is managed in accordance with national and international standards.
Online learning
Discover the amazing world of nuclear science from your classroom. Join us for Meet an Expert, Nuclear Science Inquiry Skills, Junior Science, and Online Depth Study sessions for Chemistry, Physics and Investigating Science.
Nuclear NextGen – ANSTO's Work Experience Intensive Days for 2026
Leveraging over half a century of knowledge in the safe management of radioactive waste
ANSTO's Chief Nuclear Officer shares insights on the safe management of Australia's nuclear waste.