Science Channel HD

A surveillance camera captures a woman vanishing from her bed as she sleeps next to her husband in their suburban English home; experts investigate and uncover numerous police records that report a strange pattern of nearby alien abductions.

Cameras in Kazakhstan capture a bizarre blast as train cars on a quiet railway suddenly explode in a raging inferno.

A Russian medical assistant films a horrifying procedure as a live, four-foot-long snake is extracted from a patient's mouth; experts investigate a potential resurgence in ancient, pre-Christian religions involving complex and dangerous rituals.

A dashcam captures an explosion that blows out the backseat and windows of a car on a Russian highway; experts investigate and uncover the vehicle's potentially disastrous performance modifications.

In Guatemala, archaeologists identify an ancient site containing a series of unknown structures; a lake full of jellyfish is studied on a remote South Pacific island; Argentinian researchers discover a complex that may have a dark past.

On the volcanic island of Kolombagara, explorers uncover a mysterious man-made cave in the dense jungle; a researcher finds two unknown animal skulls in Vietnam; human remains are discovered in a narrow chamber of a South African cave system.

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

When a former Area 51 insider alleges that the Roswell UFO incident was a nefarious Soviet conspiracy masterminded by Stalin, experts investigate if it was indeed an enemy plot against America -- or if the confession is just another cover-up.

Neil Armstrong enters an unexplained spin; an Apollo 17 photo seems to show a US military outpost on the Moon; possible alien life swimming in the oceans of Jupiter's moons.

Earth's history is marked by one cosmic disaster after another, forging the path of human evolution; now, experts explore how the Earth has teetered on the verge of destruction.

As the two Voyager spacecraft reach interstellar space, experts explore their astonishing discoveries and how their extended operation has transformed into the ultimate mission.

The largest steel plant in the world is a high-tech super factory that takes production to astonishing levels, turning out 21 million tons of steel every year on a sprawling campus comprised of 50 individually operating subfactories.

NASA's hi-tech rocket assembly facility pushes the limits of space exploration to new frontiers; here, engineers build an advanced rocket propulsion system that can send astronauts and cargo to the moon and back.

McLaren's high-tech production center is as remarkably distinctive as the handcrafted automobiles it designs and produces, overtaking its supercar rivals through the application of Formula One science and sophisticated production standards.

Legendary automotive brand Rolls-Royce is also one of the largest manufacturers of aircraft engines and produces the revolutionary Trent XWB, one of the world's most powerful, efficient and eco-friendly jet engines.

A state-of-the-art Volkswagen factory uses cutting-edge robot technology to produce 750 vehicles every day, and special behind-the-scenes access to the factory floor reveal how this facility is one of the most advanced in the world.

The UPS Worldport is a distribution powerhouse that connects the world and special access reveals what happens in the largest automated sorting hub on the planet; with its own fleet of 550 aircraft, it serves more destinations than any other airline.

Special access to cutting-edge factories reveals how America's favorite foods are made and how assembly lines produce huge amounts of hot dogs, chocolate bars and other treats.

In Puerto Rico, an iconic observatory nestled into a giant crater has to close after cables holding up a critical platform come crashing down; experts analyze the cumulative effects that led to the collapse of this awe-inspiring structure.

Tragedy strikes the heart of a city as an earthquake wipes out a building full of people in Christchurch, New Zealand; experts investigate an inadequate structural design and weakness in critical supporting columns.

A crane collapse leaves seven dead on a holiday weekend in Manhattan; an investigation reveals how a shortcut taken while raising the crane left the machine swaying in the wind without proper lateral support.

A catastrophic fire at a fertilizer plant threatens city-wide devastation in Winston-Salem, N.C.; experts use the latest science to investigate an outdated, wooden storage facility heavily stocked with volatile, explosive chemicals.

A perfect storm with tragic consequences strikes as floodwaters rip away a major highway crossing in Huron, Calif.; experts use the latest tech to investigate and reveal bridge scouring with unsupported concrete columns exposed for failure.

The construction of a new parking garage at a luxury waterside condo turns disastrous as it collapses in Jacksonville, Fla.; experts use the latest tech to investigate and uncover critical design flaws and unsupported lower levels.

A catastrophic fire at a fertilizer plant threatens city-wide devastation in Winston-Salem, N.C.; experts use the latest science to investigate an outdated, wooden storage facility heavily stocked with volatile, explosive chemicals.