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?

Astronauts are evacuated when a mystery object is discovered hurtling towards the ISS. Plus, a secret agent goes undercover to recover missing moon rocks.

Did Apollo astronauts hear unexplained transmissions on the far side of the moon? Plus, an astronomer spots a strange disturbance in Martian atmosphere.

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?

A toxic ammonia leak endangers an entire crew. Meanwhile, a cosmonaut narrowly survives re-entry, only to be stranded in the wilderness.

During a classified mission, the crew of Space Shuttle Atlantis discovers fatal damage to the heat shield tiles on the underbelly of their ship.

Apollo 12 astronauts bring back something alive from the moon. Plus, NASA track an asteroid heading towards Earth and make a shocking discovery.

Geysers are discovered on a frozen moon, NASA redirects a probe on a mission to find proof of life, and a future US President is eyewitness to a UFO.

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.

Phil and Jessica head to Lake Lanier - the deadliest lake in America - to uncover rumours of drownings and ghostly encounters.

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.

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?