The Tsar Bomba, detonated in 1961, remains the most powerful nuclear weapon ever built and tested. This video explores the design, construction, and detonation of the 50-megaton bomb — a weapon so ...

The Next Generation Penetrator will eventually replace the 30,000-pound GBU-57 Massive Ordnance Penetrator, featured in ...

Slovakia was a Nazi puppet state during World War II. Bombs from the war have triggered evacuations and emergency measures ...

Each day of war risks a strike on sites that could scatter radioactive material. Officials say one laboratory near the front ...

North Korean media report a successful test of a solid-fuel missile engine using composite carbon fiber material.