How safe are the thousands of satellites in space from hackers here on Earth? That's a question that the European Space Agency set out to answer in a first-of-its-kind cybersecurity exercise that saw ...

Inside a secure research facility, the U.S. Navy operates one of the world’s most advanced indoor oceans - an enormous wave tank designed to test warship performance long before they reach open water.

Families of patients in a Cold War-era mind-control experiment in Montreal are pressing forward after a recent setback in their class-action lawsuit. By Vjosa Isai The C.I.A. headquarters in Langley, ...