NASA drone ditches chase plane in milestone flight
This was the first flight of a remotely-piloted aircraft with airborne detect and avoid technology capable of meeting all of the FAA's "see and avoid" rules
NASA releases photo of “flying saucer” after 14 years
The "flying saucer" crash-landed in a Utah desert
Astronomers suggest shooting a laser into space to attract aliens to Earth like a “porch light”
Existing technology could be used to produce an infrared beam bright enough to be spotted by intelligent alien civilizations