Supermassive black holes are so large they devour stars and shape galaxies. The latest science may answer why they grow so large.

A mummy recovered at the bottom of the Atlantic has led treasure hunters to $120 million in gold and jewels stolen by infamous pirate Black Sam.

Archaeologist Ramy Romany investigates a mysterious underwater grave in the ancient Mayan city of Mayapán. Were these people victims of human sacrifice?

Discovers which of America's founding fathers used sex as an instrument of diplomacy and which one secretly scoffed at the divinity of Jesus.

This unique film will take viewers out of this world, on a tour of the history of the telescope from Galileo to Newton to Hubble and to the James Webb Space Telescope (JWST).

How do they harness the wind to power a racing yacht to Olympic gold? How do they make a sword fit for an officer at the world's largest sword factory?

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?

This unique film will take viewers out of this world, on a tour of the history of the telescope from Galileo to Newton to Hubble and to the James Webb Space Telescope (JWST).

Troy is the legendary lost city at the centre of the Trojan War, but its existence was never confirmed. New cutting-edge technology explores the ancient myth.

Mount Rushmore is one of North America's most iconic landmarks. Experts use cutting-edge technology to reveal what lies beneath the rock.

More everyday items go under the microscope, revealing their production. How are objects including leaf and debris vacuums, canned meat and fillet knives made?

More everyday items go under the microscope, revealing their production. How are objects including promotional origami and hedge shears made?

More everyday items go under the microscope, revealing their production. How are objects including barbeque utensils made?

More everyday items go under the microscope, revealing their production. How are objects including boat radar mounts made?

A look at how everyday items including Asian noodles and rotary engines are made, revealing the unique production processes used in making them.

A look at how everyday items including steel pulleys and acetate eyewear are made, revealing the materials and unique production processes used in making them.

How do they clean the world's tallest twin towers? How do they make a jigsaw where every piece is unique? How do they craft Olympic level hockey sticks?

How do they fit all the features of a luxury apartment into a motorhome? And, how do they make a ballet shoe that can take the weight of a dancer on tiptoes?

How do they grow nearly 200,000 tonnes of mushrooms a year in the mushroom capital of the world? And, how do they make billions of life-saving gloves?

How do they mine a million tonnes of fertiliser from below the sea? How do they hand print millions of colourful clothes using the art of batik?

How do they turn thousands of tonnes of basmati rice into millions of microwaveable meals? How do they craft beautiful mechanical singing birds?

How do they make an almost invisible hearing aid that connects wirelessly to a phone? How do they build the carriages for London's new underground railway?

Supermassive black holes are so large they devour stars and shape galaxies. The latest science may answer why they grow so large.

Once there was life on Mars - but scientists believe a series of devastating mass extinctions transformed a watery planet into a desert.

Confidential CIA files reveal a secret war for space between America and the Soviets. And, experts investigate American espionage during the Apollo programme.

Experts investigate the Lunar Landing Research Vehicle that nearly killed Neil Armstrong during training. Some believe this proves why the moon landing is fake.

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?

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.

Experts investigate reports of a secret alien base deep inside Alaska's highest mountain. Video evidence suggests extra-terrestrial activity in Fairbanks.

A cryptozoologist hunts for scientific proof of Bigfoot in the Alaskan wilderness. Experts investigate a vortex of energy linked to disappearances.

Recently disclosed audio recordings and astonishing photographs may provide the most conclusive evidence to date that the Ozark Howler may have demonic origins.

New evidence reveals a Vietnam War pilot may have returned home with a secret cargo. Experts use this to try and find the missing link in human evolution.

The team explores an abandoned outpost in the Amazon rainforest. After meeting with tribes in the jungle, they hear strange things at night.