In 1961, the Soviet Union tested the Tsar Bomba — a hydrogen bomb so powerful it shook the planet. With a 50-megaton yield, ...

The Tsar Bomba is widely regarded as the most powerful nuclear weapon ever created and detonated. Developed by the Soviet Union in the midst of the nuclear arms race with the United States, the ...

Chinese military researchers reported that multiple strikes on a single target will produce greater damage than a single nuclear blast to destroy hard targets.

Some things we see in space appear to outpace light. Now we are learning to harness these bizarre optical illusions to ...

The pause in Israel’s war on Iran provides an opportunity to reflect on the role of the United States in what is essentially the protection of Israel’s monopoly on nuclear weapons in the Middle East.

The Norwegian Nobel Committee praised “her tireless work promoting democratic rights.” Ms. Machado, who built one of ...

The unveiling underscores Pyongyang’s continued focus on expanding its nuclear arsenal amid tensions with the United States.

North Korea flaunted its “most powerful” nuclear-capable intercontinental ballistic missiles (ICBMs) at a military parade.

Researchers held a high-quality plasma steady for 43 seconds using frozen hydrogen, setting new fusion record.

TYRANT Kim Jong-un showed off a new ballistic missile said to have one of the “most powerful” nuclear systems ever at a ...

Considering the immense size of the universe, it's no surprise that space still holds plenty of secrets for us. Recently, ...

SpaceX’s Starship, the world’s most powerful rocket, completes final V2 test, prepares for Moon and Mars with a new, fully ...