An observatory in New Mexico that mysteriously closed for an FBI investigation will reopen Monday.
The Sunspot Solar Observatory made headlines earlier this month, when authorities evacuated it without explanation.
RELATED: Man releases 130K pages of Air Force docs on UFOs
[Ads /]
Investigators would only say there was a security threat.
It fueled online speculation as to whether researchers had spotted aliens.
[Ads /]
The association that runs the observatory is now squashing the rumors, saying the FBI was investigating criminal activity nearby and was concerned about a suspect who could have posed a threat to others.