By Allan Stein FLAGSTAFF, Ariz.—The truth about unidentified flying objects (UFOs) is still out there. Yet every so often, the Lowell Observatory in Flagstaff, Arizona, gets a phone call about an unusual sighting in the night sky. Is it a UFO—or something else? Lowell Observatory historian Kevin Schindler says mostly it is a natural occurrence, […]
Tag: Search for Extraterrestrial Intelligence (SETI)
The search for extraterrestrial intelligence is a collective term for scientific searches for intelligent extraterrestrial life, for example, monitoring electromagnetic radiation for signs of transmissions from civilizations on other planets.