Ancient Aliens

Enormous manmade caves, unexplainable structures, and underwater discoveries that challenge everything we know about the past. Is it possible that an advanced civilization inhabited Earth thousands of years ago?

Enormous manmade caves... Unexplainable structures... And underwater discoveries that challenge everything we know about the past.

When German aerospace engineer Wernher von Braun joined the U.S. military and space programs after World War II, he quickly became one of the foremost scientists credited with developing the ballistic missile.

Is it possible that German-born aerospace engineer Wernher von Braun-one of the greatest rocket scientists the world has ever known-found his inspiration not on our world, but another?

In the 21st century, robots are being programmed to do everything from performing surgery to exploring other planets. Are they pointing the way to mankind's future...or to its past?

Incredible strength... Superior intelligence... And even the ability to reproduce. In the 21st century, robots are being programmed to do everything from performing surgery on humans--to exploring other planets.

Good and Evil. Light and Dark. God and Satan. In nearly every culture there are stories of opposing forces at work here on Earth--forces of a supernatural or otherworldly nature.

Good and Evil. Light and Dark. God and Satan. In nearly every culture there are stories of opposing forces at work here on Earth--forces of a supernatural or otherworldly nature.

Ancient Astronaut theorists have suggested that many of the divine beings depicted in cultures throughout the world are not really divine--or mythological--but instead reflect extraterrestrial visitations that our ancestors did not understand.

Could it be that many of the divine beings depicted in cultures throughout the world reflect extraterrestrial visitations that our ancestors did not understand?

Billions of dollars have been spent in our quest to find an "other Earth." Since the launch of the Kepler Telescope in 2009, scientists have identified thousands of planets capable of supporting life.

In 2014, Russian cosmonauts aboard the International Space Station discovered living sea plankton covering parts of the windows. If sea life can thrive in space, might the reverse be true as well?

Over 10,000 crop circles have been reported worldwide, appearing in 50 different countries, and nearly every continent on Earth.

Might the United States military have a secret space program? And if so, are we preparing for a space-based war with other nations-or other species?

Due to warfare, instability, and inaccessibility--there are specific regions of the world that are off-limits to exploration.