Earth is hit by 100 tons of rock from space every day. Most burn up in the atmosphere, but a single rock wiped out the dinosaurs. Could it happen again?

When a massive star dies it can direct a blast of radiation that would obliterate life of earth. What are the chances of this event occurring?

Archaeologist Ramy Romany investigates whether King Tut's mummy was burnt from a change in the mummification process, or was there a more sinister reason?

Archaeologist Ramy Romany examines well-preserved bodies from more than 2,000 years ago to see if they were victims of human sacrifice.

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.

Clayton and his team prepare to flip a 20,000-lb carnivore fossil from the earth. Mike hunts for a duckbill skull and Jared uncovers an ancient reptile.

Ginetta and Team LNT are synonymous with racing, making headway in auto racing history for decades. The crew head to its birthplace, revealing the inner workings.

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.

Rob examines bizarre markings that suggest a violent clash between prehistoric beasts. In California, he explores if a strange lake is a home to alien life.

Rob heads to California to investigate a network for major fault lines that could set off a mega-quake. Plus, he explores a mysterious sinkhole.

More everyday items go under the microscope. How are objects including storage sheds, industrial fans, climbing walls and parchment paper made?

More everyday items go under the microscope. How are objects including concrete walls, telescopic cranes, 3D printers and kerosene lamp burners made?

More everyday items go under the microscope. How are objects including car headlamps, directional drills, pet grooming combs and stained glass made?

More everyday items go under the microscope. How are objects including handcrafted skis, septic tanks, hydroformed chassis parts and aquarium windows made?

More everyday items go under the microscope. How are objects including zip line breaks, round balers, silk fibre lamps and comfort shoes made?

More everyday items go under the microscope. How are armoured vehicles, tension fabric buildings, rowers and sculpture enlargements made?

The Chevrolet Corvette Stingray is a fast and lightweight update on an automobile legend from the 1960s. How is this impressive vehicle constructed?

Heavily inspired by superbike designs, the KTM X-Bow is always road and race ready. What elements come together to create this powerful and innovative vehicle?

The Tesla Model S is a high-performance and high-speed vehicle with zero emissions. What goes into the construction of this innovative electric car?

The Superformance MKIII draws inspiration from the Shelby Cobra to be an impressive combination of style and power. How is this stunning vehicle made?

The Koenigsegg One:1 is a record-breaking mega car that has a perfect power to weight ratio. How is this cleverly designed car put together?

The BMW i8 is a hybrid car that looks and performs like a supercar. How does this high-performance vehicle achieve its outstanding fuel economy?

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?

Three teams face off in a festive engineering challenge that have them blasting trees into the centre of Christmas Town and assisting Santa in his chimney ascent.

Three teams of merry masterminds compete to see who can pack their pines with the most firepower and save Christmas Town from an Abominable Snowman.

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?

A recent creature sighting outside the infamous Skinwalker Ranch brings Chuck and the team to Utah to investigate. Evidence indicates it might be an alien.

An ongoing series of UFO sightings off the Southern California coastline leads Chuck and the team to examine the link between UFOs, the military and the ocean.

A cryptozoologist investigates reports of a sea monster in Alaska. He reviews eyewitness accounts and examines never-before-seen video evidence.

A woman claims to be under attack from an unseen force. Could it be linked to a Native American legend about a mysterious race of giants?

Russell finds a structure he believes is a Bigfoot nest. Meanwhile, new team member Ronny joins Mireya in a race to the nest to collect DNA samples.

Mireya and Ronny make a powerful discovery in the area around the nest. And, Bryce suspects Bigfoot is emitting infrasound to repel the team from its territory.