The discovery of extra-terrestrial life faces a near impossible challenge. Experts explore the problems with proving or disproving the existence of aliens.

New scientific discoveries reveal that the moon has an incredible, violent, and dynamic history. Was the moon originally more similar to earth than previously thought?

What happens when galaxies containing billions of stars collide? The gravitational forces of these giants intersect, and they are left irrevocably changed.

More everyday items go under the microscope. What are the production processes behind common objects including Asian bowl meals and walking canes?

More everyday items go under the microscope. How are common objects including power trainers and coffee pods made?

More everyday items go under the microscope. What are the production processes behind common objects such as beehives and cast iron cookers?

More everyday items go under the microscope. What are the production processes behind common objects including ochre and hurdy gurdies?

When an infamous pirate city sunk into the sea, a huge treasure may have gone with it. Could cutting edge technology reveal its resting place?

In California Rob and Stefan explore a cave, rumoured to house 100 pounds of gold stashed away during the Gold Rush. Can their tech end the mystery?

More everyday items are put under the microscope as we discover how NASCAR car bodies are manufactured and thermal coffee pots are produced.

More everyday items are put under the microscope as we discover how slate tiles are produced and hot dog carts are made.

More everyday items are put under the microscope as we discover how racing leathers are manufactured and wood rocking chairs are made.

More everyday items are put under the microscope as we discover how mountain bikes are produced and lever action rifles are manufactured.

More everyday items are put under the microscope as we discover how saunas are produced and wheelchair lifts are manufactured.

Interstellar space is the space between the universe's stars. New discoveries reveal that it's not empty and unremarkable as previously thought.

New discoveries lead scientists to question if the Big Bang really happened. They investigate if it was the start of many multiverses.

Dark matter and energy battle for the cosmos and the winner will determine the universe's fate. New discoveries may reveal which force will win.

German workers are exposed every day to major hazards as they build the massive skyscrapers, tunnels and other construction projects of the modern world.

German workers are exposed every day to major hazards as they build the massive skyscrapers, tunnels and other construction projects of the modern world.

More everyday items go under the microscope with a look at how indie car seats, paper flowers and stand-by generators are made.

More everyday items go under the microscope with a look at how objects including knee replacements are made.

More everyday items go under the microscope with a look at how objects such as cast iron stoves are made.

More everyday items go under the microscope with a look at how objects such as sewage pumps are made.

More everyday items go under the microscope with a look at how objects including car tyres, scuba tanks and silk are manufactured.

More everyday items go under the microscope. How are rock crushers, cake sprinkles and steam irons made?

A dangerous storm threatens to shut down the operation just as Darrell and team discover gold ore in the remains of an old wreck.

Leading to one of the richest finds in Darrell's career, the team discovers ornate artefacts that indicate the location of a 16th century captain's quarters.

If an asteroid collides with the earth it could end life on our planet as we know it. Experts reveal just how close we are to an apocalypse.

The Rosetta mission was a ground-breaking expedition to land on a comet for the very first time. What did this cutting-edge journey uncover about life on Earth?

More everyday items are put under the microscope as we discover how oil lamps are manufactured and chocolate mints are produced.

More everyday items are put under the microscope as we discover how skeletal replicas are manufactured and ice buckets are made.

More everyday items are put under the microscope as we discover how scuba lights are manufactured and convertible sandals are produced.

More everyday items are put under the microscope as we discover how wood windows are manufactured and woven cashmere is produced.

More everyday items are put under the microscope as we discover how gas barbecues are manufactured and mattress pads are produced.

More everyday items are put under the microscope as we discover how skateboards are manufactured and braided pastry is produced.

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.

The team explores Tesla's death, chasing leads to the CIA and FBI for his missing notes. Was the Death Ray-prototype the motive for murder?

An exploration of Nikola Tesla's work, which led to many 20th century technological breakthroughs, including drones, lasers and power grids.