Earth's past is marked by one cosmic disaster after another, forging the path of human evolution. Experts explore how close the Earth has come to destruction.

A missing mummy could re-write the history of Abraham Lincoln's assassination. Ramy Romany investigates whether John Wilkes Booth actually escaped.

Rob Nelson investigates the mysterious rocks at the bottom of Lake Michigan known as Underwater Stonehenge. Plus, the search for escape tunnels in Alcatraz.

Clay returns to his ranch in Montana to hunt for quick finds at Old Faithful. In Wyoming, Mike and his team continue excavating their triceratops site.

In Montana, Clayton prepares to learn if his carnivore skeleton belongs to a T-Rex or Nanotyrannus. In Wyoming, Mike and Aaron dig at a promising new site.

Ever wondered how an Audi R8 was made? Join the How It's Made crew as they go to its birthplace, explore the inner workings and its gorgeous exterior.

Cosmic rays that damage human DNA are a serious risk in manned space exploration. Can physicists find the source of the rays and help reduce the danger?

Experts explore the most astonishing discoveries of the Voyager spacecraft. They examine how the operation has transformed into the ultimate mission.

Montana rancher Clayton finds what might be a rare and valuable fossil on his family's property. In Wyoming, Mike and his son uncover a triceratops horn.

Clayton continues his excavation of a rare, carnivorous dinosaur on his Montana ranch. In Wyoming, Mike and Jake prepare to sell their prized T-Rex fossil.

More everyday items go under the microscope, revealing their production. How are objects such as gummy vitamins and boat trailers made?

More everyday items go under the microscope, revealing their production. How are objects such as water well cylinders and nonconductive tools made?

More everyday items go under the microscope, revealing their production. How are objects such as stand-up paddleboards and vacuum cleaners made?

More everyday items go under the microscope, revealing their production. How are objects such as detectable warning panels and model Stirling engines made?

More everyday items go under the microscope, revealing their production. How are objects such as micro drill bits and skiffs made?

More everyday items go under the microscope, revealing their production. How are objects such as ocean drone transformers and 3D puzzles made?

Ever wondered how a Maserati Quattroporte made? Join the How It's Made crew as they go to its birthplace, explore the inner workings and its gorgeous exterior.

Ever wondered how high-end cars are manufactured? Join the crew as they explore the origins, inner workings and technical specs of some of the world's finest cars.

Ever wondered how a Lamborghini Aventador is made? Join the crew as they go to its birthplace and explore its gorgeous exterior.

Ever wondered how a Jaguar F-Type is made? The team goes to its birthplace, revealing the inner workings and gorgeous exterior.

Ever wondered how a Bentley Continental GT Speed is made? The team goes to its birthplace, revealing the inner workings and gorgeous exterior.

The How It's Made crew visit the birthplace of the Alpha Romeo 4C, revealing its inner workings and gorgeous exterior.

Countdown of NASAs top six the deadliest stars - 'vampire' stars that drain their neighbours, supernovas and white dwarfs that destroy planets.

Despite Pluto's appearance as a dark and frozen world, scientists are investigating whether there might be warm liquid water beneath the surface.

Experts explore the most astonishing discoveries of the Voyager spacecraft. They examine how the operation has transformed into the ultimate mission.

The mysterious dark matter is thought to be the cosmic glue that holds the universe together, yet the search for it continues to puzzle scientists.

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.

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

Chuck receives a map supposedly leading to a hidden cache of recovered materials from the Roswell incident. He and his team go on an epic treasure hunt to find them.

Experts examine whether an interdimensional portal in the Alaska Triangle led to the disappearance of an aeroplane carrying 44 military personnel in 1950.

Bigfoot hunters investigate whether a huge, ape-like beast is responsible for a string of disappearances and mutilations in the Alaskan wilderness.

A team of specialists, armed with the latest technology, try to locate the fabled bigfoot. The start of their search takes them to the forests of Oregon.

With a team member down, Russell and Mireya must forge ahead to hunt down leads. Their investigations uncover the first pieces of potential Bigfoot evidence.

Justin and Emiliano investigate a historical English ship filled with stolen treasures that has long been rumoured to be buried deep in a California desert.