Authorities on Long Island are investigating what these individuals have been doing in the sewer system.
Back in 1992, two climbers who set out to tackle the Swiss Alps never returned, leading to a decades-spanning mystery.
After being postponed last year, the expedition to search for the wreckage is expected to go ahead in a few months' time.
Authorities attended the scene after a weird red substance was spotted leaking from a large semi-truck.
The owner of the land on which the speakers were discovered has come forward to offer an explanation.
A mother and daughter had been horseback riding in the mountains when they discovered something very strange indeed.
Something strange had been sighted in the skies over the country just prior to the pilot ejecting from the plane.
A pervasive phenomenon reported all across the world has impacted millions of people at one time or another.
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.