What are UFOs? Are they spacecraft? Do they travel vast distances to reach planet Earth? From mysterious planets at the edge of the Solar System, to epic journeys beyond the boundaries of time and space.

Nearly three hundred million people worldwide claim to have been abducted by aliens. Many report being subjected to torturous medical experiments. Others return with unwelcome reminders of their ordeal. Are aliens creating human hybrids?

In the 1960s we too our first steps into a vast new realm-bound for the Moon. But NASA astronauts would soon find they weren't the only ones out there.

Some experts believe many atmospheric light shows are actually caused by extraterrestrials. Do they pose an imminent threat to humanity? Join us as the alien secrets behind atmospheric anomalies.

Millions of people believe extraterrestrial live on Earth. Are the aliens here to enlighten us or destroy us? What if the worst-case scenario happened? What would aliens do? And how would they do it?

They're our first line of defense in the darkest of times. And they're often the first responders to threats from another world. Over the past 70 years the world's military forces have come face to face with thousands of UFOs.

Every day, millions take to the sky in commercial flights all over the world. But decades of evidence have revealed we may not be the world's only frequent flyers. Are we in danger of losing control of our skies to extraterrestrial beings?

It's the stuff of nightmares. Emergency lines flooded with calls as UFOs appear in the sky. Mounting evidence has revealed that UFO waves are able to penetrate the world's most closely guarded airspace.

It's the ultimate close encounter. There have been thousands of reported cases all over the world. But these claims are almost invariably dismissed by authorities with little or no investigation.

UFOs. They can fly at blinding speed. Or hover effortlessly just a few feet above the ground. And they can do it all without making a sound. But how is this possible? The mysteries of anti-gravity propulsion are unsealed.

Nations all over the world are rumored to have recovered metal debris from these UFO crashes. From self-healing hulls to sinister alien implants, join is as the secrets of UFO metals are UNSEALED.

The flying saucer. For decades it's been synonymous with UFO terror. But millions of reported encounters tell a very different story. From Cold War showdowns to telepathic terrors, join is as we track the rise of Black Triangles.

Experts have long believed the universe to be riddled with mysterious portals - shortcuts through space that allow travelers to span vast distances in the blink of an eye. From mighty volcanoes to secret underground civilizations.

Do visitors to planet Earth come from some far off galaxy? Traveling vast distances to the only planet boasting intelligent life in this corner of space. We investigate the shocking secrets of alien civilizations in our solar system.

The Nazis. Led by Adolf Hitler, they were the greatest evil the world has ever known. In just ten years, Hitler took Germany from crushing depression to world domination. Did the Nazis have access to alien technology?

Do aliens exist? And have they visited planet Earth? These are perhaps the most important questions of our time. For decades, eyewitnesses have come forward with unsettling stories of alien bodies recovered from crashed UFOs.

Our world is home to many UFO hot spots, where unidentified objects are reported with alarming regularity. But a select few locations have something extra. They're notorious for strange paranormal phenomenon to extraterrestrial activity.

For decades, UFO researchers have demanded that the government reveals what is knows about UFOs. Who will make the announcement? When will they do it? And what will it mean for the very bedrock institutions of society?

It can happen to anyone at anytime; a close encounter with a UFO. Citizens all over the world have been reporting incidents with alarming increase. We are counting down the top ten civilian close encounters of all time.

Many believe aliens are already here on Earth. But why are they here? Are aliens planning an all-out attack on planet Earth? And if they are, is there any way we can fight back?

An extraterrestrial threat. A top secret organization. Has the US made contact with aliens? Experts believe they have. And an ultra top secret organization is calling all the shots. Get ready for the untold story of Majestic 12.

Many UFO sightings are solitary events that leave witnesses scrambling to prove their story. But what happens when the same object is seen by many people at the same time? Join us as we expose the hidden secrets of The Kecksburg Incident.

More than half the world's UFO sightings happen over water. Many of these phenomena are seen bursting from the ocean into the sky. Do aliens lurk in our oceans? Join us as we expose the growing threat of Unidentified Submerged Objects.

What does the American government really know about UFO's? And how far will they go to hide the truth? In 1948 a fireball crashes near Laredo, Texas. They say it was an experimental aircraft. But many experts believe it was a UFO.

The Soviet Union's vast skies paid witness to thousands of UFO sightings. But the Soviet regime was notorious for secrecy. Many of their encounters reported during the Cold War had potentially deadly consequences for the entire world.

Encountering life from another world can be a terrifying and deadly experience. Abductees claim to have been captured and experimented on. Join us as we confront the truth about alien encounters.

There are structures as old as time that continue to baffle historians and engineers the world over. Did we build these ancient megaliths ourselves or did aliens guide our hand?

Everyday, UFOs are spotted in skies all over the world. But of all the planets in the known galaxy, why have they come to Earth? Are aliens here to seize Earth's riches? And how far does their mission go?

Close encounters. There's no telling where or when they will happen. But of all the possible scenarios, none is more terrifying than the one we're unaware of - until it's too late.

Signals from deep space. Mysterious crop circles. Messages hidden in the very building blocks of our planet. Recent evidence may reveal signs of alien life attempting to communicate. Are they goodwill ambassadors, or masters of war?

Recently, the US has experienced massive blackouts effecting millions of people and throwing their lives into sudden chaos. Do these blackouts occur as a side effect of alien technology? Or is there a darker agenda at work?

Our world is changing. Temperatures are climbing. Ocean levels are rising. Giant storms are becoming more frequent and intense. Super-viruses are thriving in this new environment. At the same time, alien activity is also on the rise.

Humanity has been plagued by international conflicts and epic powers since the dawn of time. Perhaps our greatest failure is constant strife and division. Could an alien threat force humans to form a united front?

Pyramids are found all over the world and from different time periods in human history. Did humans build the pyramids by themselves - or did they have help? Some experts believe pyramids across the world are part of a grand alien design.

For decades, eyewitnesses have reported UFOs crashing to Earth all over the nation. Most are never found. Some believe crashed UFOs may contain alien technology that could change the course of history.

For decades, citizen UFOlogists have coordinated alien information-sharing networks, subverting the classified intelligence of their governments. What do these classified documents say about the way that our governments watch the skies?

The sun. It's an immense powerhouse on a scale that almost defies the imagination. And it's the source of all life here on Earth. But what if that power was being tampered with? Are UFOs really visiting our Sun?

Each year, there are thousands of UFO sightings all over the world. What are these different kind of UFOs? What is each craft's purpose? What powers them and how they are controlled? And most importantly- who is flying them?

Aborigines have the oldest continuous culture on Earth. Rock paintings and ancient legends suggest that aliens have been communicating with Australian Aborigines for 70,000 years. What are the Sky Being's relationship with these people?

For over sixty years authorities the world over have been inundated with highly credible reports of UFOs. But according to experts, many governments have gone to great lengths to cover-up the truth about extraterrestrial life.

A mysterious book, "The Blue Planet Project" has surfaced, outlining decades of cooperation between the U.S. military and alien forces on earth as well as a massive government cover-up to hide these visitors from the world.

Aliens have been trying to make contact with mankind for millennia. Now for the first time, one of those messages has been decoded and we will share that message with the world.

When citizens of Los Angeles started witnessing UFO's, they weren’t entirely surprised. After all, this had happened before, in 1942. But why do so many UFO events take place in LA? The reason just might be right under our noses…and underwater.

Details from art works, miraculous visions and Vatican investigations and archives are used to support a theory that the Roman Catholic Church has concealed its knowledge of extraterrestrial life.

Allegedly altered space photos and missing NASA recordings are examined to determine whether alien life exists.

Since the dawn of man, unexplained illnesses have attacked the human population with a vengeance. Are these diseases the result of a secret alien agenda to take over Planet Earth? Tonight, we unseal the truth behind these Alien Plagues.

We live in the golden age of technology. But is everything around us a testament to the power of the human brain or did we have help? And if aliens did have a hand in our technological advancement, what did we give up in exchange?

They live and work in your town. In fact, they may be members of your country’s government. But they’re not who, or what, they appear to be. We’ll unseal the truth about these aliens among us and tell you who has come in peace...and who has a far more sinister purpose in mind.

We have always been told that mankind enjoys free will. Is this really true? Or have aliens created the means for controlling humanity? The shocking truth might just be hidden inside you.

Adolf Hitler set out to conquer the world and he nearly succeeded. But did the Nazis have help from an extraterrestrial source? We'll tell you what Hitler may have been hiding ... and where it is now.

They live and work in your town. In fact, they may be members of your country’s government. But they’re not who, or what, they appear to be. We’ll unseal the truth about these aliens among us and tell you who has come in peace...and who has a far more sinister purpose in mind.

The connection to mysterious men in black, the failure of missile tests in 1964 and a series of same year photographs of a man's daughter in which one of the frames mysteriously appears a man in a spacesuit is examined.

U.S. Presidents are the most powerful men on the planet. But do they know something about extraterrestrials that we don't? We'll explore the complex relationship between Aliens and Presidents.

The Great Pyramids. The Sphinx. Egypt was a civilization millennia ahead of its time.

Many people believe we are not alone. But if aliens share this planet, what are their plans for us? We'll unseal the Top 10 Alien Plots and let you know if ET came in peace or if he has something else in mind.

As the Curiosity Rover searches Mars for signs of life, the questions becomes: Could Mars have been first? We'll explore the shocking possibility that sentient life began on Mars and traveled here.

For centuries, people have reported seeing mysterious figures at the scenes of UFO sightings around the world, and video evidence may prove it.

Potential alien attacks on the military are discussed.

UFO sightings at Roswell and Area 51 are recalled.

A look at UFO phenomena across the world, and the possibility that aliens may be hiding among us or hidden away from us in remote and isolated places.

The British government may know more about alien invasion than it is saying; military cover-ups; dire warnings from government insiders.

Some UFO enthusiasts believe that all signs point to a massive global cover-up; the most active alien hotspots on Earth.