Russia has just delivered a nuclear shock to the world. After test-firing its so-called “invincible” Burevestnik missile, Vladimir Putin has formally ended the Plutonium Management and Disposition ...

The Blackbeard missile flies five times faster than sound, has a range of 1,000km, but costs only as much as... a luxury car.

The North American XB-70 Valkyrie was a “technical marvel” of the 1950s—a Mach 3, 70,000-foot nuclear bomber designed to replace the B-52. -It used a “revolutionary” principle called “compression lift ...