Eight top-secret aircraft that definitely aren't UFOs
The planes are out there.
Northrop Grumman lands USAF deal for new long-range strike bomber
Northrop wins big with $60 billion contract for the United States' next top bomber.
Authorities test autonomous helicopter's firefighting capabilities
Helicopters that can fly themselves or remote controlled could take over another dangerous job
Lockheed Martin buys helicopter maker Sikorsky
Lockheed acquires helicopter powerhouse Sikorsky for $9 billion.
GPS gets a satellite launch for its 20th birthday
To celebrate the 20th anniversary of GPS being fully operational, the US Air Force sent up a new satellite.
The NSA wants to identify phone users by their finger swipes
For the National Security Agency, the fingerprint reader on your smartphone just isn't secure enou...
US Navy fighter jets will carry an autonomous anti-ship missile
The US Navy may have a robotic ace in the hole when it fights enemy warships in the future. It's p...
Unmanned cargo chopper shows off its search-and-rescue talents
For three years between 2011 and 2014, the unmanned Kamen K-Max 1200 helicopter delivered more tha...
F-35 pilots are seeing double, but it's the plane that's drunk
The F-35 Joint Strike Fighter may be stealthy, powerful and expensive, but the plane's greatest th...