Ancient Aliens

Billions of Earth-like planets...

Why would there be this vast universe

and just us?

...each capable of sustaining life.

In many ways, it's like finding

the Garden of Eden.

...and each with possible evidence

that we are not alone.

We have this imprint

within all of us, that our origin is out there.

That life as we know it, on planet Earth...

originated elsewhere.

Since the dawn of civilization,

mankind has credited

its origins to gods

and other visitors from the stars.

What if it were true?

Did extraterrestrial beings

really help to shape our history?

And, if so, might this explain our search...

for another Earth?

July 23, 2015.

After more than six years

of observing over 150,000 star systems

within the Milky Way galaxy,

NASA scientists, using the Kepler Telescope,

discover what they believe to be an Earth-like planet,

located 1,400 light years away.

Kepler-452B...

Or Earth 2.0, as it has become known...

Is 60% larger than Earth.

The exo-planet orbits a star slightly larger

and brighter than our sun

and falls within that star's "Goldilocks zone"...

making it a leading candidate

to prove life exists on a planet other than our own.

Some planets are too close to their stars,

so they're too hot.

Some of them are too far away,

so they're too cold.

Recently, they found one

which they've actually called the Goldilocks planet.

As you can probably surmise from that,

that means that it's almost just right.

What that means is that there's a potential

that it might be teeming with life.

The problem looking for Earth-like planets

beyond the solar system is they're hard to spot.

There may be billions within our galaxy alone

that satisfy roughly the conditions

of being Earth-like.

They have to have a magnetic field and a few other conditions

that will be congenial for life,

but the liquid water, as well,

I think everybody agrees, is key.

The Kepler discovery made people sit up and take notice,

'cause it would possibly have the all-important liquid water

that is the key to looking for life

as we know it beyond the solar system.

Of the 100 billion stars that make up

the Milky Way galaxy, astronomers now estimate

that one in five has an Earth-sized planet

with the potential for life.

And NASA scientists predict that we are likely to find

signs of alien life by the year 2025,

bringing us ever closer to answering the age-old question:

"Are we really alone in the universe?"

Humans are really excited

about life on other planets.

There's a lot of empty space out there,

and it would be a big waste, if there wasn't more life.

Why would there be this vast universe

and just us?

Forever people have wondered, "Are we alone?

"Is there life out there?

Are there other intelligent beings?"

And that's why we're so insistent upon

searching for another Earth.

I think there's that need to realize

that we're not alone in the universe.

We want answers.

We're going out into space because we want to find out

are there other beings out there like us?

Since the Ancient Babylonians

first documented observations of Venus,

humans have speculated that inhabited worlds

may exist beyond Earth.

And from the time of the ancient Greeks,

philosophers and scholars

have theorized on the probability

of the existence of otherworldly civilizations

other than our own.

In 1961, radio astronomer Frank Drake

was the first to publicly propose a mathematical argument

for the likelihood of the existence

of intelligent extraterrestrial life

in the galaxy.

Frank Drake developed an equation

that took the probability of different things happening:

Having the right type of sun, having the right type of planet,

how many planets and stars there were

and made an estimate of how likely life would be.

The Drake equation would seem to logically

predict tens of thousands

of civilizations out there,

that we ought to be able to hear on radio traffic.

But if there is such a high probability

for the existence of intelligent life-forms

elsewhere in the universe, why haven't we encountered them?

If there are so many other planets out there,

and if the chance for

intelligent life out there is high,

why hasn't anyone visited us?

The human race should be typical

of what intelligent life is like in the rest of the cosmos.

Plus the cosmos is much older than the human race.

We tend to expand into all possible living spaces.

Intelligent life in the rest of the universe

should probably act like that, too.

People like us should be filling the cosmos.

Everywhere we point a radio telescope

we should be picking up noise.

Instead, there's nothing.

While radio telescopes have yet to pick up

a transmission from other intelligent beings

in the universe, ancient astronaut theorists propose

that contact has, in fact,

already taken place. And evidence of this

can be found throughout the world.

The question "where are they?" should be answered with:

"Look at the ancient astronaut theory,"

because we are suggesting

that there is evidence

that goes back thousands of years

by the stories that we have of gods...

Lowercase "G"... Descending from the sky.

It doesn't matter on what continent.

Every single continent was visited.

I would say that

the evidence is there

and it's all around us, whether it's in

megalithic sites that are

aligned to constellations,

such as the Great Serpent Mound in Ohio.

Even the pyramids at Giza.

And even stories of beings coming down in spaceships,

interacting with people.

Evidence is overwhelming

that there are extraterrestrials all over the universe,

and that they're coming here.

According to ancient astronaut theorists,

one of the earliest and most compelling pieces of evidence

to support the notion that extraterrestrials have, in fact,

visited Earth, can be found

with an ancient Sumerian cylindrical seal

known as VA243.

Author Zecharia Sitchin was the first to suggest

that on this seal,

which is estimated to be at least 4,500 years old,

is a depiction of our solar system.

You can see in the seal that there's

a whole complete model of the solar system

accurately being displayed with the sun in the center.

Now, till the time of Copernicus and Galileo,

no one knew that we actually orbited the sun,

so the only explanation is someone who had this knowledge

gave it to humanity,

and that there has been extraterrestrial presence

in interaction with people in the past.

And we see this across the globe.

Throughout the world,

ancient cultures have told stories of gods

descended from specific star systems.

The Maya associated their gods

with the Pleiades star cluster,

as did the Native Americans, hundreds of miles away.

The Dogon tribe and the ancient Egyptians

believed their gods came from the star Sirius.

In old Egypt,

we have, for example, Osiris,

who comes from Orion.

Osiris was married to Isis.

Isis comes from the star of Sirius.

These extraterrestrials, the so-called gods,

they pointed up to the sky and said, "Look, this is our home."

Is it possible that there are intelligent beings

inhabiting other planets within our solar system,

as ancient astronaut theorists contend?

If so, could they have once sought out Earth

as we now seek other habitable planets?

Perhaps further evidence will be revealed

with our plans to colonize Mars.

Spring 2013.

The Mars One project solicits candidates

for their proposed settlement on Mars.

Over 200,000 people apply

for the chance to be the first humans

to colonize the Red Planet.

Only 24 will be selected.

None are expected to return.