- TIME
- 22/6/10 22:00
NASA has spent more than 60 years flying UFOs. Every spacecraft that ever visited the moon, landed on Mars, buzzed by Jupiter, orbited Saturn, or reconnoitered Pluto would be a decidedly unidentified flying object to any alien intelligence that might encounter it. There may be no such intelligence beyond Earth in our solar system. But in interstellar space? That’s another question....