Beijing, Moscow and shaken American allies are seeking new warheads as President Trump ends more than a half century of ...

Without the New START treaty, which caps the number of deployed nuclear warheads at 1,550 on each side, there will be no ...

The risks of this stand-off have been contained over the years by various arms-control agreements, most recently New START. But that treaty expired this week, with no replacement. To make matters more ...

Vladimir Putin’s most dangerous new capability is not a single missile or drone, but a fast-maturing strike complex that blends hypersonic weapons, precision electronics and directed-energy systems.

PLA-linked research indicates a concerted attempt to develop lethal, autonomous drone swarms specifically for urban warfare, ...

As Biden administration national security adviser Jake Sullivan met General Zhang Youxia in August 2024, the tired and strained look on the American’s face contrasted with the relaxed smile of the ...

As 2025 ends, tensions between China and Taiwan are higher — and more overt — than at any point in recent years, fueled by expanded U.S. military support for Taipei, increasingly bold warnings from ...

The United States would suffer a devasting defeat and lose its biggest aircraft carrier if it tried to stop China invading Taiwan, according to a top secret Pentagon report. War games showed the U ...

(Corrects to remove phrase 'for more than two decades' in first paragraph) By Dmitry Antonov, Mark Trevelyan and Jonathan ...