After the Soviet Union detonated a 50-megaton bomb over an uninhabited island north ... Soviet Premiere Nikita Khrushchev originally wanted to test a 100-megaton weapon. Plans were scaled back ...

Space experts have issued a major update into an asteroid which was expected to smash Earth - causing an eight-megaton explosion. Luckily, new observations by NASA revealed that Space rock 2024 ...

In 1962, the US government launched a 1.4 megaton bomb from Johnston Island. And detonated it 400 km above the Pacific — about as high as where the International Space Station orbits today.