3
The tube, which was collected by the crew of the Apollo 17 mission, has remained untouched for 50 years.
11
A CCTV camera captured the bizarre moment a huge flock of birds flew straight into the pavement.
7
A number of unexplained sightings and experiences have been revealed through interviews with former officials.
13
An unnerving encounter with three mysterious entities occurred back in 1972 at a lighthouse on Isla De Lobos.
2
Two urban explorers recently delved into the decrepit remains of a disused aquarium somewhere in Spain.
29
The man, who bought the painting for just $50 from a flea market, maintains that it has ruined his life.
8
Video footage of a rather peculiar discovery has been doing the rounds on social media this month.
4
With a wingspan greater than that of an entire football field, this gargantuan aircraft is a sight to behold.
13
Over the years there have been hundreds of sightings of a large bipedal ape-like creature in the Australian Outback.
45
The petition aims to persuade US government officials to release classified UFO footage to the public.
0
Palaeontologists have unearthed the fossil of a giant winged reptile on Scotland's Isle of Skye.
10
The groundbreaking study saw researchers record the brain activity of a patient dying of a heart attack.
30
The abduction of two men by alleged alien entities almost 50 years ago remains one of the world's most chilling abduction cases.
14
The US tactical fighter jets were sent to intercept a suspicious object near Kauai's north shore.
24
Walton disappeared from a remote forest trail after he and his workmates encountered a UFO.
4
The eerie ruins of a submerged village have been revealed following a period of drought in the region.
1
Jared Isaacman and his crew will be launching on a five-day trip to the final frontier later this year.
15
It is said that, given enough time, a monkey with a typewriter could reproduce everything ever written.
51
New research has highlighted our susceptibility to believing anything that certain sources say.
18
The Central Intelligence Agency has reportedly been collecting data as part of a previously undisclosed program.