Marine fish could serve as a crucial global emergency food supply in times of crisis, if marine ecosystems were in a healthy state to start with.
The threat of nuclear war has not diminished, despite the lessons learned from the Hiroshima and Nagasaki bombings in 1945.
As Pope Francis becomes the first pontiff in the nuclear era to call for total disarmament, all of us – whether secular or religious – can engage through creative and proactive moral responsibility.
Other existential risks include the decline of natural resources (particularly water), human population growth beyond the Earth’s carrying capacity, and nuclear weapons.
The US could only safely use a fraction of its nuclear stockpile without harming Americans through an environmental event called 'nuclear autumn.'
Roughly translating as 'Hindu-ness', Hindutva reframes the majority religion more as an identity, stoking tensions and intolerance of Muslims.
If sci-fi films mirror the world's contemporary dystopian anxieties, then over the years Star Wars has gone from nuclear war to environmental collapse.
Doctors have long taken up global issues, from nuclear war to ozone depletion and climate change, and helped shift the course of history.
Nuclear threats are serious – but officials, the media and the public keep a close eye on them. There's less attention to the dangers of cyberattacks, which could cripple key utilities.
With the risk of a nuclear conflict seeming higher than ever, how much do EU citizens really know about nuclear weapons and their use? A new survey provides striking answers.
The British nuclear weapon tests on Kiritimati (or Christmas) Island had profound and lasting cultural consequences for both atomic veterans and local islanders.
A nuclear exchange, which would unleash untold destruction on both countries' civilian populations, remains a possibility.
Pope Francis has been a staunch voice for a world free of nuclear weapons. But should he be involved in defence politics at all? And how does the Pope's message resonate among the European public?
Relying only on sanctions against North Korea may not be a productive way to get the country to give up its nuclear arms. Offering relief and aid may be more effective.
No-deal preparations have been both criticised as being part of 'Project Fear' and used to show that Brexit will be disaster. Here's the history behind this kind of planning.
A natural view of the world appealed to Albert Einstein.
A new strategy from the UN secretary general challenges the world to explain why it's not doing more to defuse the nuclear threat.
To understand how a new world war might play out, it's important to remember just how powerful the US really is.
Kim Jong-un's surprise recent visit to Beijing and Xi Jinping was an awkward get-together that didn't address the elephant in the room -- Kim's possible face-to-face meeting soon with Donald Trump.
It is not yet midnight, but as the crisis deepens, the diplomatic and military options get more and more complex. And the possibility of war with North Korea is now very real.