As global superpowers, the United States and China are home to two of the most formidable military forces on the planet, each ...

China is secretly building a massive military command center southwest of Beijing. The 1,500-acre construction site is expected to dwarf the Pentagon.

The U.S. may carry the biggest sticks on the seas, but does it have the most? Here's how the largest national navies in the ...

From stealth drones and hypersonic missiles to unacknowledged aircraft and covert cyber tools, secret weapons certainly exist ...

In countries such as India, China, and the United States, private space companies themselves—not just their technologies—are ...