Lithium-6 is essential for producing nuclear fusion fuel, but isolating it from the much more common isotope, lithium-7, usually requires liquid mercury, which is extremely toxic. Now, researchers ...

It's official - space is a war-fighting domain. Who says so? The British, the Americans, Nato and, among many other nations, ...

The Trump administration should back away from threats and engage Iran in an effort to bring a diplomatic halt to its nuclear ...

At first blush it almost seems rational: placing U.S. nuclear weapons in Poland, a NATO member that spends nearly five ...

For the foreseeable future a conventional approach to defence, perhaps backed by British and French nuclear assets, remains ...

The hardest lesson to learn from the war in Ukraine is that there is still no substitute for allies who show up when the fighting begins.

Ukrainian public attitudes about having nuclear weapons have shifted significantly in 30 years. Kyiv may consider setting up ...

What does nuclear deterrence look like in Europe now that NATO is unsure whether the U.S. will be a committed partner? NPR speaks with Paul Cormarie, analyst with the Rand Corporation.

Mikhail Ulyanov stressed that the rotation on February 12 "was completely derailed when heavy weapons were used against the convoy" ...

National security adviser Mike Waltz said on Sunday that all options are “on the table” to prevent Iran from obtaining a ...

The director of a NATO research group told BI the crisis scenario she's most worried about at present.

It’s no secret that President Donald Trump is obsessed with winning the Nobel Peace Prize, which is one reason why he’s ...