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.
The two countries are on fundamentally different pages when it comes to regional security, and this is going to become more of an issue in the future.
A Catholic historian writes about nuns who protested against nuclear weapons. Even when convicted of sabotage, they used prison time to serve fellow inmates and push for justice.
What does the new generation of offensive missiles mean for global security?
North Korea’s test of two new missile systems have stoked fears of a nuclear confrontation in Asia. But the North Korean leader may not be as unstable as he is made out.
Molten salt reactors are being touted as an advanced technology for the production of nuclear energy, but their implementation is fraught with challenges.
Nehru was a fervent believer in what became known as ‘non-alignment’ — perhaps his greatest contribution to the 20th century world.