Successful military operations must now fool both human commanders and the AI that advises them. This creates an opening, two ...

From spy planes to Navy warships, here are the US military assets that have been deployed to the US-Mexico border amid Trump's immigration crackdown.

Small FPVs, rifle-toting robot dogs, Switchblades, loitering munitions, US special operators are learning how to use a wide ...

Many royal family members, like Queen Elizabeth II and Prince Edward, served in the military.

China is secretly building a massive military command center southwest of Beijing. The 1,500-acre construction site is ...

Camp Century was built to store nukes beneath Greenland's ice. See photos of the underground, "Star Wars"-like site.

Bitter experience in Ukraine has taught Russian artillerymen to be more agile and sophisticated. Their aim is improving.

Land mines and artillery shells have proven essential weapons for Ukraine, and NATO is taking note.

These accolades come as millions of people continue to engage with Business Insider's journalism, which covers everything from why Lego is so expensive and how army jungle soldiers are training ...

The Kim family has ruled North Korea since 1948. Photos show Kim Jong Un's relatives, from his grandfather to his daughter, who may lead one day.

In the Ukraine war, it is artillery that has enabled tactically clumsy Russian infantry and armor to advance. Stalin once called it the "god of war." ...

A recent drone attack on Chernobyl is a reminder of the nuclear threat remaining there. One wrong move could trigger a ...