Concrete is vulnerable to the elements. But now, researchers have developed a concrete embedded with self-repairing ‘BioFibers’.

$154.8 million is being spent replacing the Zumwalt’s 155mm twin gun system with the Conventional Prompt Strike hypersonic weapon system.

Almost five decades ago, Lieutenant Viktor Ivanovich Belenko of the Soviet Air Defence Forces landed in Japan and announced he wanted to defect to the West.

China's J-20 is arguably the most formidable counter to America’s own F-22 and F-35 fifth-generation fighters.