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.
Policymakers often think of their decisions about nuclear weapons as moral, a nuclear ethicist explains – which is key to understanding their motives.
As Japanese victims struggled to process the nuclear attack, many turned to religion. The way they understood the horror still has consequences today.
Using nuclear weapons in Ukraine would be difficult and risky for Russia.
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.
Russia is raising the stakes with upgraded ballistic missiles and blood-curdling threats from the Kremlin
Ukrainian President Volodymyr Zelenskyy has warned nations to prepare for the possibility that Russia will use tactical nuclear weapons.
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.
The Conversation’s weekly round-up of some of the best articles about the war in Ukraine.
The policy introduced the chilling concept of ‘escalate to de-escalate’.
While chemical weapons are likely a greater threat than nuclear weapons, use of the latter is also not impossible.
Russia’s invasion of Ukraine and Vladimir Putin’s nuclear threats have the world on edge, but so far, long-standing arms control measures have helped keep the situation from getting out of control.
Thermobaric or ‘vacuum’ bombs create an oxygen-eating fireball followed by a deadly shockwave.
We’re still a long way off nuclear escalation.
As war begins between Ukraine and Russia, a range of stories provides context to help readers understand the conflict.
As Russia threatens to invade Ukraine, Ukrainians wonder about the worth of a 1994 agreement signed by Russia, the US and the UK, who promised to protect the newly independent state’s sovereignty.
The Doomsday Clock has never before been as close to midnight as it is now. There is scant hope of it winding back on its 75th anniversary.