There are hundreds of moons in our solar system. Could one of them be a hidden haven that harbors alien life forms?

Cosmic Vistas

Hidden Havens: Icy Moons

In the far depths of space, out of reach of the Sun's warmth, water can only exist in a super solid state.  Some small moons, in fact, are made entirely of ice. What stories do these Icy Gems have to tell about our solar system?

Icy Gems: Frozen Moons

Scientist long thought that our solar system consisted of the sun, the planets, and their moons. We soon found that we are far from alone, often coming into contact with asteroids, comets, and other debris.

Shooting Gallery: Asteroids and Comets

The diversity, complexity, and downright beauty of our own solar system is astounding. Could such beauty exist in other parts of the universe as well?  Thanks to modern science, we now have the capability to see for ourselves.

Galactic Visions: Alien Worlds

Landing a spacecraft on Mars is no easy task given our limited knowledge of the planet. The difference between success and failure can rely on the most minute detail.

Mars: Red Dawn

Gravity is one of the most basic and powerful forces shaping our universe.  Discover its nature within our own solar system, from the smallest moons to the largest planets.

The Giant Planets: Lords of Gravity

For centuries, it was was thought that Saturn was the most distant planet in our Solar System. With the evolution of the telescope, we discovered the rest of our planets, both elusive and mysterious.

Outer Limits: Edge of the Solar System

Deserts and Dunes, Cliffs and Canyons.  Although Mars is certainly an alien wasteland, it is a planet with terrestrial formations remarkably similar to those found on Earth.

Deserts and dunes, cliffs and canyons.  Although Mars is certainly an alien wasteland, it is a planet with terrestrial formations remarkably similar to those found on Earth.

Borderland

Although we have put man on the moon, our silent partner still holds many mysteries. What haven't we seen? What haven't we discovered?

Silent Partner

The arid shores of other planets tell the stories of their past. What did they look like, and could they have ever supported life?

Rocky Shores

Without the Sun's warmth and light, life as we know it would not exist. It is the powerhouse of our planet and provides the energy we need to survive.

Fountain of Creation

As technology has advanced, we have been able to peer into distant reaches of space. From the first telescopes to high-tech satellites, these machines have been our windows to other worlds.

Windows to Other Worlds S1 Ep1

Pluto

Cosmic rays can tell us much about the universe. They are not simply another form of light, but carriers of information about powerful and unseen processes at work thousands or even millions of light years away.

Cosmic Rays

This episode traces our view of the Milky Way, from the mythology of ancient skywatchers to the efforts of scientists to map it from the inside out.

Milky Way

When it comes to the birth of the universe, not even the most creative work of imagination can rival what science has revealed about the Big Bang.

The Big Bang

Mercury is one of Earth's closest neighbors, but until very recent exploratory missions, it eluded astronomers' best efforts to learn its secrets.

The Hot Zone

The Fermi Paradox asks the ultimate question: why have alien civilizations not presented themselves?

The Fermi Paradox

An advanced $900 million planetary explorer designed to peer across multiple wavelengths to reveal intricate details undetectable by the human eye.

Landsat

See the sun, moon, planets, and galaxies through the eyes of intrepid machines that are blazing a trail across the solar system. A gateway to bold adventures, these cameras are delivering spectacular new cosmic vistas.

Cosmic Rays

Full Episodes

Season 4, 6 episodes