Russia appears to have developed a revolutionary mini-reactor able to power a missile.
The British nuclear weapon tests on Kiritimati (or Christmas) Island had profound and lasting cultural consequences for both atomic veterans and local islanders.
North Korea is a major military threat to the US and its Asian allies, but exactly how powerful are its nuclear weapons? An earth scientist explains why it's hard to answer this question.
If recent history repeats itself, the proposed repository for extremely dangerous nuclear waste will stay dead.
Earthquakes can shape political decisions so understanding them is crucial.
Nuclear bomb tests potentially mark the start of a new geological epoch: the Anthropocene.
Human-induced earthquakes have been reported from every continent except Antarctica. We asked a geologist to investigate whether North Korea's nuclear tests could trigger geological changes.
Given what we know about radiation fallout, the parallels between Melbourne and Fukushima should not be ignored
North Korea's legitimacy derives almost wholly from its subjects’ perception of perfect strength and resolve. This makes it harder for Pyongyang to back down.
China is probably no more fond of the North Korean regime than the Americans are, but it is walking a fine line between managing both nations and ensuring its own continued rise.
Want to know if a rogue state has performed a nuclear test? Sniffer planes can help.
Pyongyang's latest test isn't the great leap forward it purports to be.
North and South Korea explained in four questions and answers.
A scholar who has profiled the likes of Saddam Hussein and Vladimir Putin says there is a method to understanding the madness.
The international community – and the U.S. and China in particular – should give serious thought to what might be North Korea's cyberattack equivalent of a nuclear weapons test.
The country plays by different rules.
It's two and a half minutes to midnight according to the Doomsday Clock. But what is the clock and why should we pay attention?
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.
North Korea remains committed to perfecting a deployable nuclear weapon capability. It is confident in the understanding that there appears little the international community can do to prevent it.
A number of states have given up on pursuing nuclear disarmament through the Non-Proliferation Treaty. Instead they are moving to create a new legal mechanism for banning nuclear weapons