TV Guide Science Tuesday

Experts examine discoveries and clues in the Amazon jungle that have been found through the combination of cutting-edge technology and innovative archaeology.

Archaeologists find hard proof of the prehistoric civilization that once thrived in the Amazon and learn how they built an advanced society in a hostile jungle.

New discoveries reveal the mystery of what happened to the ancient superpower that once thrived in the Amazon jungles and what caused it to fall.

The hosts search for a long-lost shipwreck in the Bermuda Triangle, where they hope to uncover new evidence that explains the disappearances.

Rob Nelson examines markings that could suggest a violent battle between prehistoric beasts; Rob investigates California lake that could be home to alien life.

Rob investigates the Underwater Stonehenge at the bottom of Lake Michigan; Rob uses technology to search for rumored escape tunnels in an Alcatraz prison.

Experts question reality with mind-melting videos, including videos of see-though animals, algae-powered motorcycles and a human sized chicken.

Two cosmonauts are trapped in a frozen lake; a scientist investigates a Nazi secret; astronomers are terrified when the full moon affects their experiments.

When NASA discovers something strange on Saturn's biggest moon, experts investigate if it could be caused by aliens feeding on the world's electric atmosphere.

Experts research the mysterious force that cannot be seen or touched but can affect everything in the universe, otherwise known as magnetism.

A revealing glimpse is taken inside the secrets of the moon, exploring how the moon could have helped bring life to Earth and the tunnels beneath its surface.

New astronomical research reveals an invisible scaffold of dark matter known as the Cosmic Web, an intergalactic network that transformed the universe.

Leading experts fear the worst if a cold war era radio station from Russia stops broadcasting a 24/7 inexplicable signal; An astronaut hears knocking.

Experts investigate claims that massive statues guarding the tomb of a 3,000-year-old Egyptian pharaoh can sing using cutting-edge technology.

A mysterious call is picked up by radio operators across North America; A monstrous storm threatens everything in its path, but it never materializes.

Radio operators catch a haunting voice, which suggests that the Soviets lost a cosmonaut; Vietcong soldiers are tormented by voices in the jungle.

When a powerful radio beam originating from deep space is detected by experts on Earth, some suspect it's hard evidence of extraterrestrial life.

A pilot chases and tries to intercept a UFO but vanished forever; A small portion of the planet's population is plagued by a mysterious, cacophonous hum.

When cameras record a strange creature in the wilderness perform an incredible feat of strength, experts investigate using cutting-edge science.

Experts investigate an empty municipal building's connection to magical rituals, as well as its disturbing past, after guards encounter strange activity.

A Russian medical team working on a procedure captures the unbelievable extraction of a four-foot-long snake from the patient's mouth from a dangerous ritual.

A violent meeting with an animal that possesses both human and ape characteristics leads investigators on a search for an explanation.

In a normally quiet English suburb, cameras capture shocking footage of a woman mysteriously disappearing from her bed next to her sleeping husband.

A boy begins to exhibit the unnerving ability to rotate his head 180 degrees, mimicking frightening accounts of demonic possession and the devil's presence.

A violent meeting with an animal that possesses both human and ape characteristics leads investigators on a search for an explanation.

In a normally quiet English suburb, cameras capture shocking footage of a woman mysteriously disappearing from her bed next to her sleeping husband.

A boy begins to exhibit the unnerving ability to rotate his head 180 degrees, mimicking frightening accounts of demonic possession and the devil's presence.

A Russian medical team working on a procedure captures the unbelievable extraction of a four-foot-long snake from the patient's mouth from a dangerous ritual.

When a powerful radio beam originating from deep space is detected by experts on Earth, some suspect it's hard evidence of extraterrestrial life.

A pilot chases and tries to intercept a UFO but vanished forever; A small portion of the planet's population is plagued by a mysterious, cacophonous hum.