Hypersonic missiles are redefining modern warfare, and right now, Russia is leading the charge. With weapons like the Avangard and Zircon, capable of flying faster than Mach 5, Russia has developed ...

Interestingly, the amount of money the Army has promised to the Castelion Corporation is far less than what the other branches are spending on their own hypersonic weapons systems.

The U.S. military has always been a step ahead in the arms race, but when it comes to hypersonic missiles, it seems to be ...

Tucson-based Raytheon Missile Systems will vie with rival Lockheed Martin to develop a new long-range, hypersonic anti-ship missile for the Navy.