Stephen Hawking unfolds his personal, compelling vision of the biggest question of all: Who or what created the universe in which we live? The groundbreaking series Into the Universe with Stephen Hawking combined cutting-edge CG with Hawking's witty, distinctive and incisive worldview. Now, we take the journey a step further, as physics and cosmology become tools to answer questions that philosophers have struggled with for thousands of years.

We've read the books, we've seen the movies. War of the Worlds, V, Independence Day. But they're all fiction, right? Well, probably not. New science is suggesting that aliens may be very real, and that they may not be as cuddly as E.T. Host Michelle Rodriguez (Avatar, Battle:LA) brings together top scientists, military strategists and writers to dramatize what would happen if and when aliens attacked.

Maggie Gyllenhaal hosts a revealing investigation into the mechanics and chemistry of female orgasm.

By drawing on detailed trial records, a picture emerges of both the science and the human drama behind the sinking of the Titanic.

Morgan Freeman hosts an exploration into the possibility that there may be more than one version of reality.

Everything which has made America bountiful and powerful is a product of forces which date back billions of years. How have earth's ancient forces made America what it is today?

End-of-the-world scenarios, including the Mayan prediction for Dec. 21, 2012, are examined from a scientific perspective.

For centuries, Atlantis has been a myth. But in the last decade archaeologists have uncovered new finds which could reveal the location of this ancient apocalypse. Mixing dramatic recreation with science, this story is told by "Lost" star, Terry O'Quinn.

Were we better off as cavemen? Morgan Spurlock ("Super Size Me") joins nine ordinary men and women in an attempt to survive in the wild using only stone-age technology. Cold, dehydration, and hunger threaten to derail the experiment from the start.

Morgan Spurlock ("Super Size Me") and his group continue their experiment to live in the wild only stone-age technology. Hunger and deprivation push the group to the brink of failure. Can a successful elk hunt save them?

What would it be like to be immortal? It's the year 2967 and Adam Savage is 1000 years old. He reflects on his long life revealing how science in the 21st century transformed his body, creating a supercharged cyber-human, allowing him to live forever.

Mike Rowe (Dirty Jobs) becomes a human lab rat to learn firsthand to uncover the hidden world of creepy crawlies that live on the human body. Revealing a wild jungle of unseen creatures, you'll never look at your body the same way again.

Eli Roth, director of horror classic Hostel, is searching for the true nature of Evil. In a series of experiments, he examines what causes people to perform evil acts, then the daring test of all-could ordinary people perform acts of violence on strangers

It's meant to be a joyous event - in reality, it's a gripping battle for survival. Using cutting edge technology, we go inside the womb and follow the story from conception to birth, showing how the struggle for life turns into the miracle of birth.

Ever thought how much America is worth? Imagine putting a dollar amount on everything in America -all the land, the resources under our feet, our homes, even the water we drink. For the first time, Donald Trump puts a value on it all.

Robin Williams, who's experienced both the highs and lows of substance abuse, hosts a groundbreaking TV experiment. 4 heavy users on 4 of America's most abused drugs perform a series of physical tests to show exactly how drugs work.