A nuclear escalation in the Middle East would trigger a global catastrophe. Know the physics behind nuclear weapons, and the looming threat of a worldwide nuclear winter.

If the U.S. does drop a powerful "bunker buster" bomb on a suspected underground nuclear weapons site in Iran, experts in radiation hazards say there is little risk of widespread contamination. As we ...

It would be a-crop-alyptic. Amid rising tensions around the world, Penn State University scientists have revealed what the fallout would be from a nuclear war — with an unfathomable famine, mass ...

After a 4.3 magnitude earthquake hit Khonj, speculation of a secret Iranian nuclear test erupted. We break down the seismic signatures, enrichment levels, and expert analysis to determine if Tehran ...

Device deemed to burn uranium 100 times more efficiently, while cutting nuclear waste lifespan to less than a thousandth of ...

Alex Wellerstein joins WIRED to answer the internet's burning questions about nuclear science. Which nations have nuclear bombs? Who decides who gets to have nuclear warheads and who doesn't? Why were ...