Conflicting results make determining the age of the universe difficult. Finding the answer could be the key to many mysteries of the cosmos.

Deep in the Peruvian jungle, dozens of mummies have been found in cliffside tombs. Archaeologist Ramy Romany searches for evidence of who these people were.

The mummies of three Incan children are discovered in the Andes at a notorious UFO hotspot. Ramy examines why they trekked 1,000 miles to their death.

A dangerous storm threatens to shut down the operation just as Darrell and team discover gold ore in the remains of an old wreck.

Leading to one of the richest finds in Darrell's career, the team discovers ornate artefacts that indicate the location of a 16th century captain's quarters.

How do they turn trees into pencils? How do they make liquorice? And, how do they use traditional techniques to weave the world's most fashionable lace?

A series of recent UFO sightings brings Chuck Zukowski's team to Missouri, the home of the 1973 Piedmont lights incident. Is history repeating itself?

A Missouri man who claims UFOs are stalking him contacts Chuck and the team for help. Their investigation uncovers a dark secret which may explain this reported activity.

The underground bunker of Adolf Hitler is home to some of the greatest secrets of the Nazi regime. Experts use cutting-edge technology to uncover new evidence.

The Leaning Tower of Pisa is one of the world's most iconic buildings, but why does it lean? Investigators uncover the reasons for its tilt.

More everyday items go under the microscope. What are the production processes behind common objects including ochre and hurdy gurdies?

More everyday items go under the microscope. How are common objects including exhaust headers and moulded limestone artwork made?

More everyday items go under the microscope. What are the production processes behind common objects such as recycled skateboard guitars?

More everyday items go under the microscope. How are common objects including racing pulley systems and medicine balls made?

More everyday items go under the microscope. How are common objects including almonds and high-end motorcycles made?

More everyday items go under the microscope. How are common objects including candied fruit and linen ukuleles made?

How do they make a trombone? How do they make traditional Spanish wineskins? Plus, how do they turn smelly muddy peat into rejuvenating face cream?

How do they make the perfect surfboard for catching waves? Plus, how do they turn Danish cream into one of the world's favourite butters?

How are million-dollar racehorses transported across the world to their new owners? Plus, what creative methods are used to photograph food?

How do they produce a million tonnes of stainless steel? How do they keep cash safe with an uncrackable lock? How do they make traditional Indian sugar?

How do they harvest three thousand tonnes a year of the world's weirdest seafood delicacy? Plus, how do they protect water polo players from injury?

How do they build one of the world's most exclusive luxury cars? How do they make a referee's whistle that can be heard above 50,000 screaming fans?

Scientists have discovered evidence of a mysterious ninth planet on the very edge of our solar system, could its moons support extra-terrestrial life?

The Universe is a violent and dangerous place. From exploding stars and colliding galaxies to nebula shockwaves - what are the worst places in the Universe?

A series of strange animal deaths and UFO sightings brings Chuck to Colorado. Reports of authorities ignoring these incidents suggest a government cover-up.

Experts investigate to see if the fire on Apollo 1 that killed three astronauts was a cover-up. Was it a tragic accident or part of the moon landing conspiracy?

How are everyday objects made? Common items including Moccasins, Electronic Impact Drills go under the microscope.

More everyday items go under the microscope. How are objects including kimchi and traditional parquet floors made?

More everyday items go under the microscope. How are objects including raw pet food and replica police lanterns made?

More everyday items go under the microscope. How are objects including calissons and diving watercrafts made?

More everyday items go under the microscope. How are objects including game tables and art glass wall sconces made?

More everyday items go under the microscope. How are objects including Marseille soap and Laguiole pocket knives made?

Rumours of a secret US military program to develop super soldiers with psychic powers exploded in the 1970s. Paul sets out to expose the truth.

The zombie apocalypse is one of the most depicted doomsday scenarios in popular culture. During Paul's investigation, COVID-19 spreads across the globe.

The Witchcraft is one of the strangest disappearances from the Bermuda Triangle. An expedition leads to a shocking discovery on the sea floor.

Sightings of ghost ships in the Bermuda Triangle have been reported for centuries. Experts and scientists use cutting-edge technology to try and solve the mystery.

Experts analyse new evidence that could prove the Beast of Bray Road terrorised a Wisconsin town. Plus, is the human-wolf hybrid spreading across the US?

Experts analyse new evidence that could prove the legendary bloodsucking beast known as Chupacabra is real, and that there are two versions of the creature!

Jessica Chobot and Phil Torres investigate a strange phenomenon that has been haunting Mammoth Cave for generations. What will they discover?