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

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.

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?

Richard explores Volkswagen's giant car plant in Wolfsburg, Germany. He checks out its futuristic technology and discovers how this mega-factory works!

Richard takes flight aboard the US Air Force's biggest cargo plane: The C-5M Super Galaxy. Climbing inside its inner workings he learns why it's a record breaker.

Discover how fish replicas, siren systems, pre-packaged sandwiches and candlesticks are produced.

Find out how everyday items such as tapioca pudding, snow ploughs, paddle boats and fibre cement siding are produced.

Discover how everyday items such as cufflinks, blueberry turnovers, dashboards and earthenware pottery are made.

Everyday items go under the spotlight. How pharmaceutical blister packs, deli slicers and weather vanes are made.

Top and bowler hats, solar water heaters, sticky buns and electrostatic speakers go under the microscope.

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 recent UFO sighting in Phoenix leads Chuck and the team to Sedona, AZ. They explore whether the area's energy vortexes act as portals for otherworldly visitors.

Richard ventures 2km beneath the Alps into the world's longest underground railway connection, the Brenner Base Tunnel, riding some giant machines!

Richard explores the huge Tottenham Hotspur Football Stadium in London. He explores a pitch that splits and rolls away and takes a terrifying walk on the stadium roof!

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?

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.

Rob Nelson investigates a cluster of ancient ruins in New England that suggest Europeans arrived in the Americas almost 1,000 years before Columbus.

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?

Dwarf planets are some of the solar system's most active places, from oceans of liquid water on Pluto to vanishing volcanoes on icy Ceres.

How do they make garden forks, English toffee, paint chip cards, and Bundt pans? Find out as more everyday items are put under the microscope.

How do they make pewter flasks, potato salad and hydrogen fuel cells? Find out as more everyday items are put under the microscope.

How do they make robotic hunting decoys, scoreboards, and lassos? Find out as more everyday items are put under the microscope.

How do they make turf grass, beef jerky, wood chippers, and bowling pins? Find out as more everyday items are put under the microscope.

How do they make Leatherman multi-tools, jojoba oil, and marionettes? Find out as more everyday items are put under the microscope.

How do they make fish decoys, cylinder stoves and digitalise film? Find out as more everyday items are put under the microscope.

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.

The life, work and mysterious death of inventor Nikola Tesla. Did he create the first weapon of mass destruction, the 'Death Ray'?

The team starts on their reconstruction of Tesla's Death Ray. Jack and Cameron go to Colorado Springs seeking the site of his laboratory.