Some think the waving US flag on the moon proves that NASA faked the lunar landing. Experts' quest for the truth leads to some of Hollywood's biggest names.

A series of recent UFO sightings brings Chuck Zukowski's team to Missouri, the home of the 1973 Piedmont lights incident. Is history repeating itself?

A Missouri man who claims UFOs are stalking him contacts Chuck and the team for help. Their investigation uncovers a dark secret which may explain this reported activity.

Josh explores three legendary locations where stone labyrinths hide something incredible.

Josh Gates explores other great walls in India, England and Taiwan.

Josh Gates explores places where unusual heroes rule the day in Madagascar, India and Mexico.

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.

For 20 years NASA's Cassini spacecraft revealed Saturn's strange secrets until it vaporized in its atmosphere. Now, fresh data points to new discoveries.

NASA's Juno probe is unlocking Jupiter's secrets, answering mysteries and gathering data. Scientists and experts explain the importance of this mission.

Manned missions to Mars are the next frontier of human exploration and NASA wants to put boots on the Red Planet by 2035. But, is it mission impossible?

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 detachable Indy-Car steering wheels and wind turbines are made.

More everyday items go under the microscope with a look at how blast doors, lipstick and artificial palm trees are made.

More everyday items go under the microscope with a look at how carbon fibre and railcar movers are made.

More everyday items go under the microscope with a look at how sawhorses and toolboxes, sorbet pops and school buses are made.

More everyday items go under the microscope with a look at how objects from sanders to solid terrain models are made.

Learn how everyday items such as pressed glass, pickup truck cabs, alpaca yarn and utility knives are produced.

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.

Some of the brightest minds and theorists on the planet explore the limits of human knowledge and explain the science behind our star.

New discoveries have revealed alien worlds that seem to defy the laws of physics. Experts use cutting-edge astronomy to explore this mystery.

New research suggests dead stars, known as white dwarfs, could be the key to understanding the universe. Experts investigate this mysterious phenomena.

More everyday items are put under the microscope as we discover how plasma gems are manufactured and special effects snow is made.

More everyday items are put under the microscope as we discover how three-wheel electric bikes are manufactured and skin cream is made.

More everyday items are put under the microscope as we discover how Wild West holsters are manufactured and water video housings are made.

More everyday items are put under the microscope as we discover how wood garage doors are manufactured and animatronic dinosaurs are made.

More everyday items go under the microscope. How are Grammy Awards, bicycle lights, above-ground pools and foldable solar panels made?

More everyday items go under the microscope. How are objects including LED stage lights, chemical tank trailers, and apple cider made?

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.

For 20 years NASA's Cassini spacecraft revealed Saturn's strange secrets until it vaporized in its atmosphere. Now, fresh data points to new discoveries.

Neil Armstrong led an expedition into the Amazon seeking a library apparently made by aliens. Did a close encounter on his moonwalk inspire his quest?

When NASA begins an experiment to communicate with dolphins, experts examine if it's a prelude to making alien contact. Will it have dire consequences?

Some of the brightest minds and theorists on the planet explore the limits of human knowledge and explain the science behind our star.

New discoveries have revealed alien worlds that seem to defy the laws of physics. Experts use cutting-edge astronomy to explore this mystery.