It's time for a new look at a very old universe. In its mysteries, we are finding the secrets of our past and the key to our future. This is a history of how we know what we do about space. Fifty years have flown by since man first ventured into space.

Five centuries ago, the Age of Exploration and Europe's imperial colonization of far-off lands was launched by a revolution in ship design that made long-distance ocean voyages practical. But exactly how this momentous innovation happened eludes historians. Now, the excavation of a rare intact wreck discovered off the coast of Sweden offers vital new clues to a maritime mystery.

With magic returned to the world, the Librarians are needed now more then ever. Jacob Stone, Eezekiel Jones and Cassandra Cillian have taken on the role of full-time Librarians, and together with their guardian, Eve Baird, long-time Librarian, Flynn Carsen and their caretaker, Jenkins, they will face all the challenges that this new age of magic is bringing to the world. An ancient spell has brought some of the greatest fictional villains off the...

DNA testing companies are trending nationally, with over 30 million Americans hoping to receive clues to family origins and forecasts of their future health -- not knowing the results can be misleading, or not considering that family secrets can tear apart relationships. The biggest risk, however, may be what these companies do with our information once they have it, so this program objectively explores the promise and peril of consumer DNA testing....

An aging actress decides to take her final job: preserving her digital likeness for a future Hollywood. Through a deal brokered by her loyal, longtime agent, her alias will be controlled by the studio and will star in any film they want with no restrictions. In return, she receives healthy compensation so her digitized character will stay forever young.

Electric cars seem increasingly likely to replace our gas-guzzling vehicles. Could a new generation of emission-free electric planes do the same to the polluting airliners in our skies--a major step in the fight against climate change? NOVA looks at an array of new electric planes and takes a ride in some prototypes. Will the dream of super-quiet, super-efficient airliners become a reality?

How close are we to solving some of humanity's biggest challenges? We go in search of experts, dive into the facts and comb through the research to find out just how close we are to changing the world.

A hard-hitting and eye-opening documentary about artificial intelligence, the most radical new technology of our time.

In order to meet future care demands for the elderly who are lonely and suffering from dementia, carebot Alice has been developed by SELEMCA, a research group from VU Amsterdam. Not just scientists but also health and social care professionals, they feed their collective experience into Alice by integrating a computer model of human social-emotional behavior into the robot, giving Alice the ability for moral reasoning and letting her learn from the...

Women make up less than a quarter of STEM professionals in the United States, and numbers are even lower for women of color. But a growing group of researchers is exposing longstanding discrimination and making science more inclusive.