Dark matter is one of the greatest mysteries of the universe facing scientists today. Could it be the cause of supermassive black holes and mass extinctions?

Astronomers have discovered bizarre planets very different to Earth out in the galaxy, but will we ever locate a planet similar to our own?

Neutron stars are violent phenomena that defy the laws of physics. New discoveries reveal they have the power to destroy planets and even other stars.

Supernovas are the violent death of giant stars. New discoveries reveal how these events create the elements that are essential to all life in the universe.

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.

The Superperformance GT40 is a stunning recreation of the original that made racing history at Le Mans in 1966. How is this impressive vehicle made?

Ever wondered how a Porsche 918 Spyder is made? Join the How It's Made crew as they go to its birthplace and explore its gorgeous exterior.

Ever wondered how an Aston Martin Vanquish is made? Join the How It's Made crew as they go to its birthplace and explore its gorgeous exterior.

Ever wondered how a Zenvo ST 1 is made? Join the How It's Made crew as they go to its birthplace and explore its gorgeous exterior.

Ever wondered how a McLaren 65OS is made? Join the How It's Made crew as they go to its birthplace and explore its gorgeous exterior.

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

Phil Torres and Jessica Chobot follow strange orbs of light into an active volcano in Washington. The team searches for answers about the unexplained.

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

Using material salvaged from scrap yards, Adam and two colleagues design and build three motorised monsters of destruction, inspired by post-apocalyptic worlds.

Adam wants to build his own version of King Arthur's legendary sword - Excalibur. Using the iron found in a meteorite, he attempts to make an indestructible weapon.

How do they build a diesel engine that can fly, make cough sweets, turn clear plastic into bank notes, and whip up ice cream flavours?

Ever wondered how a Morgan Aero Coupe was 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 a Porsche 911 was 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 a Ferrari FF was 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 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.

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

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 than 100 million pieces of small space debris are floating around the Earth. A big collision between two of these objects in low Earth orbit could be catastrophic.

Aliens could be lethal killers who want to invade and plunder our world. A team of experts investigate extra-terrestrial beings and their threat to human life.

Until recently, black holes were only theoretical. Now, scientists know that millions exist and some of them have the potential to be lethal to earth.

Ever wondered how a Lotus Evora is made? Join the How It's Made crew as they go to its birthplace and explore its gorgeous exterior.

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?

Adam joins forces with a NASA engineer to rebuild a rocket-propelled super weapon. Originally built to breach barbed wire in WWII, they aim to fix its fatal flaws.

Danny explores the Port of Rotterdam, where crews are in the middle of the largest Earth-moving project in history, to triple the port's capacity.

A countdown of the top 20 internet legends. From lighting matches with bullets to kayaking in the snow, this features only the smartest and bravest human-kind has to offer!

Focuses on creative garage innovators taking inventions to the next level, from using fire to charge phones to creating the world's fastest electric dragster.

After an informant tells of an alien that reportedly escaped from Area 51, Chuck and the team go to Tonopah, NV, to investigate whether it still roams the area.