The Soviet Union built the largest nuclear weapon ever detonated, but just before its test, engineers deliberately reduced ...

In 1961, the Soviet Union detonated the largest nuclear weapon ever built, a test so powerful it sent shockwaves around the ...

The Venezuelan regime had high-powered air defense systems from its allies in the Kremlin, but failed to set much of it up.

The options being presented to Trump would range from targeted strikes inside Iran to offensive cyber attacks.

Scientists have discovered an enormous stream of super-hot gas erupting from a nearby galaxy, driven by a powerful black hole ...

Russia attacked Ukraine overnight with 242 drones and 36 missiles, the Ukrainian Air Force said Friday morning.

In its preliminary data release, taken from just seven nights of observations, the powerful Vera C. Rubin Observatory has ...

The Season 5 finale marks the end to the Netflix sci-fi series Stranger Things, and we rank the most shocking moments from ...

Given Venezuela’s murky political future, few analysts expect a rush to invest the billions needed to pump more oil from the ...

A report by the Eurasia Group,one of the world's top risk research and consulting firms, has listed the top risks for 2026.

During the Cold War the U.S. considered putting nuclear weapons on balloons and letting them float into enemy territory for a ...

We’re once again approaching the annual resetting of the Doomsday Clock. Last January, the Science and Security Board of the ...