A thousand feet beneath the desert, the United States conducts experiments to verify that its weapons work. But some fear a live test could come... Step inside the secret lab where America tests its ...

The United Kingdom's defence ministry announced Thursday that a secret laboratory is creating the nation's first "revolutionary" atomic clock using quantum technology to enhance military intelligence ...

A top-secret lab in the UK is developing the country’s first quantum clock to help the British military boost intelligence. A strontium atomic clock, pictured in a ...

FRENCHMAN FLAT, Nev. — In the middle of a dry lakebed northwest of Las Vegas sits a lone section of a bridge, its steel girders bent like spaghetti. Nearby are other oddities — a massive bank vault ...