“We are not alone,” a Mexican journalist and long-time UFO enthusiast said.
"I'm not gonna categorise them as balloons," said General Glen VanHerck, commander of NORAD. "We're calling them 'objects' for a reason."
It follows sightings in Utah and Romania in recent days. Is it aliens? An advertising agency? A band?
Visitors are arriving in rural Nevada in response to the Storm Area 51 event that went viral on Facebook earlier this year. Some residents of the small town of Rachel are worried crowds might overwhelm the community.
We could finally know the answer to the ultimate question.