For better or worse, sightings of unidentifiable things in the sky have become inextricably linked to spacecraft from outer space.
In 2019, our eyes were on the skies.
In the 1950s, the Mojave Desert was mecca for believers in extraterrestrial visitors.
The Air Force has been documenting weird aerial happenings since the 1940s.
Reports of encounters with extraterrestrials took a turn in the 1980s. The question is why.