TV Guide History Friday

In every corner of the world, archaeologists have found strange skulls. Did our ancestors modify the shape of their skulls to resemble alien visitors?

A look is taken at common mythology around "Star Ancestors" and whether or not these myths and legends might depict actual truth about human history.

These are the chilling cases of law enforcement officers facing monsters no training could ever prepare them for.

From a demonic entity in Bagdad Iraq, a haunted house in England, a Bigfoot in Washington State, a UFO over the skies of Kentucky and a Djinn in Iraq.

A look at the lives of people or information about a certain thing or topic is presented.

A look at the lives of people or information about a certain thing or topic is presented.

A look at the lives of people or information about a certain thing or topic is presented.

A look at the lives of people or information about a certain thing or topic is presented.

Pastor Doug Batchelor presents a studious hour on spiritually relevant topics such as Bible prophecy, the gospel message and the Holy Spirit.

A message of hope from David Jeremiah of Turning Point.

Exploring theories about extraterrestrial objects, including alien probes from deep space, an invisible alien home world and more.

Exploring how humans can survive the rigors of space travel during future missions to the Moon and beyond and how the human race can succeed away from Earth.

Exploring mysteries of the Earth's past, including how the world came to be and how long the human race will be able to call the planet home.

Venus is one of the nearest planets to Earth in both space and size, making it a common topic of rumors and theories surrounding the boiling planet.

Experts explore the various threats to Earthbound life from outer space, including massive asteroids, deadly radiation, and microscopic alien viruses.

Exploring what discoveries humankind might make as exploration of outer space increases, along with the dangers and obstacles such exploration faces.

Experts discuss the mysteries of the solar system's moons and how their traits could help prepare humanity for further exploration into deep space.

Experts discuss the secrets and mysteries of the Sun, center of the Solar System and a central figure in religious rites across the world.

The motivations for certain people to desire to live a double life are explored as researchers wonder if their goal is of a material or immaterial nature.

Examining ancient monolithic constructions made from solid rock to discover their purpose as ritual objects or, more controversially, energy-conducting devices.

Examining how and why ancient civilizations may have created their most awe-inspiring works, from the massive to the intricate, the strange and inexplicable.

Exploring theories surrounding mythical creatures with magical or supernatural powers.

Looking at how UFO reports tend to cluster in "hot spots" and whether or not this effect is simple coincidence or something more.

Exploring the concept of automated assistants throughout history, from ancient golems to modern time-saving contrivances.

All over the world stand ancient structures so massive, precise, and baffling that they seem impossible for not just their time, but ours as well.

These are the chilling encounters of people who trespassed into the domain of the unexplained... and paid the price.

Exploring theories that claim Earth's oceans are full of monsters, magical beings and more.

All over the world stand ancient structures so massive, precise, and baffling that they seem impossible for not just their time, but ours as well.

Exploring the concept of automated assistants throughout history, from ancient golems to modern time-saving contrivances.

Exploring theories that claim Earth's oceans are full of monsters, magical beings and more.

These are the chilling encounters of people who trespassed into the domain of the unexplained... and paid the price.