Blasted trees in the aftermath of a bomb test at Maralinga.
On September 27, 1956, an atomic mushroom cloud rose above the Maralinga plain - the first of seven British bomb tests. Why was Australia so keen to put UK military interests ahead of its own people?
The threat of chemical weapon attacks is on the rise globally.
Governments often have limited knowledge of chemical production as it is the preserve of the private sector. Often these facilities are not as well secured as government facilities.
Voice of America
After North Korea's fifth nuclear test on September 9, the U.S. is calling for tighter global sanctions. New research shows that this strategy actually helps North Korea.
For Australia, the US election should provide an opportunity to rethink defence relationships, especially as they relate to nuclear weapons.
Is Australia's reliance on nuclear defence agreements keeping us on the wrong side of history?
A computer design for home manufacturing of a receiver, the trigger and firing part, of a semi-automatic rifle.
Beyond making guns at home, 3D printing could help countries secretly develop nuclear weapons and terrorists stage more effective attacks. How do we protect innovation and ourselves?
MPs have voted to upgrade Trident, despite the enormous price tag and questions over its utility.
‘A-Day’ marked the first of 23 atomic bomb explosions at Bikini.
Department of Energy
In the summer of 1946, the U.S. government detonated the first of many atomic bomb tests in the Marshall Islands. Seventy years of radiation exposure later, residents are still fighting for justice.
Barack Obama and Shinzō Abe at the Hiroshima Peace Memorial.
Speaking at the Hiroshima Peace Memorial, Barack Obama sounded a hopeful note – but both the US and Japan still fall short.
President Barack Obama and Japanese Prime Minister Shinzo Abe at Hiroshima Peace Memorial Park.
Two prominent MIT physicists ask whether for nuclear weapons, less is more
Watch and learn.
A rare glimpse of North Korea's political strategy offers no earth-shattering revelations, but clears up a lot of unanswered questions.
Rouhani and Renzi meet in Rome.
The most difficult aspect of trade in "post-sanctions" Tehran, is how to navigate the sanctions still in place.
The Republican insurgent's latest foray into geopolitics was even more dangerous than it sounded.
Ready for war: American and South Korean soldiers in April 2016.
Only 16 percent of Americans see North Korea as the US' "greatest enemy." Here's why that percentage should be much bigger.
Huge dirty bomb exercise in Portland, US.
AP Photo/Rick Bowmer
Dirty bombs are relatively easy for a terrorist organisation to make. So how do we tackle the threat?
The policy failures behind the upbeat headlines.
Some things never change, it seems. For my entire life people have been protesting about the madness of nuclear weapons. Policymakers have been studiously ignoring such protests for just as long. Not only…
To international condemnation and beyond!
Why is it so hard to imagine that North Korea might have perfectly sane reasons for going into space?
Limited centrifuge operations: Iran’s Natanz enrichment facility.
(File photo from 2008.)
How can the international community be sure Iran is living up to its end of the new nuclear deal?
Ben Birchall/PA Wire
Laugh at Jeremy Corbyn all you like, but he's right: nuclear deterrence isn't a zero-sum game.
Negotiations between members of the United Nations Command and North Korean counterparts in 2013.
U.S. forces in South Korea are on high alert after North Korea claimed to have tested a hydrogen bomb last week. But China may be better positioned to curb North Korea's menacing behavior.