Engineering

New Russian weapon can travel at 27 times the speed of sound

A new intercontinental weapon that can fly 27 times the speed of sound became operational Friday, Russia's defense minister reported to President Vladimir Putin, bolstering the country's nuclear strike capability.

Pentagon cancels billion-dollar missile defense project

The Pentagon is pulling the plug on a billion-dollar, technically troubled project to build a better weapon that would destroy incoming missiles. The move is aimed in part at considering new approaches to missile defense ...