Super-secret X-37B space plane nears one year in orbit

For years now, the program to develop the X-37B spacecraft has been shrouded in secrecy. Originally intended as part of a NASA project to develop a reusable unmanned spacecraft, this Boeing-designed spaceplane was taken over ...

'Area 51' exists, but no UFOs: CIA paper

A newly declassified CIA document confirms the existence of famed Area 51 in Nevada, but conspiracy theorists will be disappointed the spy agency offers no proof of alien spaceship landings in the desert.

NSA: The finder and keeper of countless US secrets

An email, a telephone call or even the murmur of a conversation captured by the vibration of a window—they're all part of the data that can be swept up by the sophisticated machinery of the National Security Agency.

Eyes, ears of US military take shape in high-tech labs

A Global Hawk robotic plane, hovering more than 11 miles above Afghanistan, can snap images of Taliban hide-outs so crystal clear that U.S. intelligence officials can make out the pickup trucks parked nearby - and how long ...