When an enemy Anti-Tank Guided Missile is fired at a column of U.S. Army armored vehicles, endangering infantry carriers, tactical vehicles and even tanks, there can be few defenses unless the source ...

Technicians and engineers in NASA’s space shuttle program plan to test the engine cutoff sensor system onboard space shuttle Atlantis by pumping super-cold liquid hydrogen into the external fuel tank.

Here’s What You Need to Know: It was an act of desperation. The U.S. Air Force went to war in Afghanistan in 2001 badly unprepared for fighting fleet-footed Taliban insurgents who blend in with the ...