Local authorities have been left perplexed following numerous sightings of people emerging from manholes.
The incident has been linked to the disappearances of several other prominent scientists and military officials.
Back in 2002, a man who had been attacked later woke up to find that his mental capabilities had massively increased.
Unsuspecting animals and even members of the public have succumbed to the noxious green carpet.
Authorities in the Mediterranean have been investigating and de-arming the explosive-laden attack drone.
Someone has been stealing drones capable of spraying chemicals - but what exactly will they be used for ?
Residents have been asked to be on the lookout for mysterious packets of seeds being sent to them through the mail.
The White House seems to have taken note of calls to look into any potential links between the cases.
A contractor with ties to the manufacturing of America's nuclear weapons went missing last year in Albuquerque.
A peculiar mystery made headlines in Skagit County recently, but now it seems that authorities have found the answer.
The body of the unidentified individual had been discovered wearing a wetsuit in a reservoir in a remote part of Wales.
The 16th-Century seer made several predictions for this year and some of them seem surprisingly pertinent.
An Australian scientist maintains that the Bermuda Triangle enigma may not be much of an enigma at all.
Two baffling triple deaths in a remote part of the country have left investigators scratching their heads.
The new documents include some intriguing new information and insights into the hunt for the infamous crook.
The unexplained and seemingly spontaneous fires allegedly began happening after a sage visited the house.
Someone has been delivering mystery seed packets to Texas residents and it is by no means the first time.
The US government has acquired a device that may be responsible for years of unexplained symptoms.
From drama at a remote research base to a disappearing family - here are 2025's most popular mysteries.
The enigmatic station has been unusually active over the last week and nobody knows what that could mean.