In October 2017, astronomers at the Pan-STARRS observatory saw something strange in our solar system: an object they named ‘Oumuamua', the very first observed visitor from interstellar space. This programme contains some flashing images.
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In Belize, researchers find a curious skeleton in a cave. An ancient city in Cambodia is revealed by a LiDar scan. In Australia's far north, an old coin is unearthed on an island. Bolivian farmers discover something unusual hidden under the canopy.
In Guatemala, an old site made up of a series of strange structures is found. On a remote island, a lake full of jellyfish is studied. Argentinian researchers find a complex that may have a dark past. A flower found in Sumatra gives off a foul scent.
Some claim that the dark, mysterious energies that surround this national park point to treasures from a lost civilisation that are hidden there.
A stroll through a national park that is the alleged underground base for a powerful secret society.
A stroll through Great Sand Dunes National Park, where strange lights, animal mutilations and other bizarre incidents have been spotted.
The infamous Yosemite National Park has a darker side that includes mysterious sightings, disappearances and even a prehistoric pterodactyl.
The universe is so big and there are so many planets that it is reasonable to believe that there is interstellar life. But the same size poses difficulties for that life to travel. How would alien races travel the vast reaches of space?
For years many have argued that UFOs are as terrestrial as you or I. They may be correct, but not in the way they thought they were.
As the world continues to evolve into the digital age, more and more people are capturing images in the sky that they are unable to explain.
A fleet of UFOs are filmed over the South China Sea - how do they seem to be able to blink in and out of existence? A 12,000-year-old archaeological site reveals carvings of alien-like, six-fingered humanoids.
In Belize, researchers find a curious skeleton in a cave. An ancient city in Cambodia is revealed by a LiDar scan. In Australia's far north, an old coin is unearthed on an island. Bolivian farmers discover something unusual hidden under the canopy.
A lab technician is stalked by otherworldly beings, a volunteer heals the sick, and a paranormal radio show host wakes up surrounded by ghosts.
A team of paranormal investigators come up against the force of malevolent spirits and encounter terrifying misadventures.
Two friends investigating a haunted highway get more than they bargained for, while a desert road trip becomes a terrifying ordeal for a father and son.
A nurse is stalked by a shadow, an EMT is terrified by nightly events at a closed hospital, and a woman discovers that a nursing home is haunted.
A lab technician is stalked by otherworldly beings, a volunteer heals the sick, and a paranormal radio show host wakes up surrounded by ghosts.
A team of paranormal investigators come up against the force of malevolent spirits and encounter terrifying misadventures.
Two friends investigating a haunted highway get more than they bargained for, while a desert road trip becomes a terrifying ordeal for a father and son.
An abandoned military radar station in the Arctic looks like an apocalyptic nightmare. Full beer bottles line the bar, eggs in the refrigerator, magazines open on tables. What happened to the officers?
A secret underground military research station in the middle of the Greenland Ice Sheet is revealed as one of the most elaborate cover stories in the history of the Cold War.
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