In a four-part series, our podcast “Babbage” pulls back the curtain on the vast scientific infrastructure that America has created to build, maintain and upgrade its nuclear weapons. From the turn of ...

How are nuclear weapons maintained and modernised in the 21st century? America stopped explosively testing its warheads and bombs in 1992. Now the country relies on sophisticated computer simulations ...

If an asteroid is on a collision course with the moon, what should humanity do? Try to nudge the space rock out of the way before it strikes? Obliterate it with a nuclear explosion? Those are the ...