Depleted uranium munitions are bad news for enemy tanks, but are not nuclear weapons, and studies have shown that they pose low risks of radiation or chemical exposure.
Libya’s lost but found yellowcake poses no significant security risk but highlights the need for African countries to get their acts together in the area of nuclear safety and security governance.
The ‘Washington Declaration’ unveiled during the state visit by South Korean President Yoon Suk Yeol gives Seoul a greater role in coordinating a nuclear response strategy.
The first AUKUS-class submarine will be delivered in the 2040s. We may only get about a decade of use before adversaries can easily detect the new boats.
Jeffrey Fields, USC Dornsife College of Letters, Arts and Sciences
What are classified documents? Who gets to see them? What happens if they are released? A former State Department and Department of Defense staffer who had top secret clearance provides the answers.
A recent barrage of nuclear-capable missile tests and a change in law setting out the conditions for a nuclear strike show that North Korea’s leader is intent on reunification on his terms.
Tactical nuclear weapons were designed to be used on the battlefield rather than for strategic defense, but that doesn’t mean there’s a plausible case for using them.
With heightened superpower tensions, war in Europe and new military alliances forming, New Zealand’s defence review must set the right course in a dangerous world.
Iran’s pursuit of nuclear weapons centers on producing weapons-grade uranium. Here’s what reports about Iran enriching uranium indicate about its progress toward the bomb.
The sort of scenarios that might lead to the use of nuclear weapons in the Ukraine war would require a significant deterioration in Russian fortunes — and greater western involvement in the conflict.
Despite decades of progress on nonproliferation, Russia’s new threats of nuclear strikes bring to mind that convincing countries to reduce their nuclear weapons has long been very difficult.
Both the Russian and US arsenals boast thousands of nuclear weapons, located in various places around their own countries and, for the US, in Europe as well.