Ukraine’s battlefield innovations in drones, AI, and electronic warfare offer the US a critical preview of future conflict.

Vasyl Myroshnychenko says the prime minister has voter backing for a potential troop deployment — but without a ceasefire, ...

Ukraine's successful drone attack on Russia is a major wake-up call for the U.S. to prepare for a similar drone attack from China.

While nuclear crises between the “Big Three” can still be managed, preventing an arms race will be much more difficult.