PBS Distribution (Firm)

On November 11, billions of miles from Earth, a spacecraft orbiter and lander will do what no other has dared to attempt: land on the volatile surface of a comet as it flies around the sun at 41,000 mph. If successful, it could help peer into our past and unlock secrets from our very origins. The stakes couldn't be higher.

Frontline investigates the accusations of criminality and corruption that have surrounded Vladimir Putin's reign in Russia. Tracing his career back over two decades, Putin's Way reveals how the accumulation of wealth and power has led to autocratic rule and the specter of a new Cold War.

Journey into the heart of Brazil with host Robert Beckford to explore the incredible spiritual diversity of Brazil. Travel to the country's seven wonders of Brazilian Christianity, from the spectacular and iconic Christ the Redeemer to the samba beat of Carnival. The religion has existed for over 500 years and is a melting pot of African beliefs, indigenous Indian rituals, and the folk Catholicism of the southern Europeans.

Meet Nikola Tesla, the genius engineer and tireless inventor whose technology revolutionized the electrical age of the 20th century. Although eclipsed in fame by Edison and Marconi, it was Teslaś vision that paved the way for todayś wireless world.

Nova reveals the amazing technologies that make drones so powerful. From cameras that can capture every detail of an entire city at a glance, to swarming robots that can make decisions on their own, to giant air frames that can stay aloft for days on end, drones are changing our relationship to war, surveillance and each other. Discover the cutting-edge technologies that are propelling us toward a new chapter in aviation history.

A deadly recipe threatens the survival of countless creatures throughout Earth's ocean: carbon dioxide. With carbon emissions sharply rising, the silent killer is entering the seas at a staggering rate, raising the oceans' acidity. As a result, the skeletons and shells of marine creatures that form the foundation of the web of life are dissolving. Can experts crack the code of a rapidly changing ocean before it is too late?

More than two million men and women serve in America's all-volunteer military force, and another three million are their husbands, wives, sons, and daughters. With unprecedented access and filmed over 14 months, The Homefront creates a series of intimate portraits, following families through the difficulties of deployment, the joys of homecoming, and the challenges of reintegrating as a family after many months apart.

Twenty-five years ago, NASA launched one of the most ambitious experiments in the history of astronomy: the Hubble Space Telescope. This single telescope has helped astronomers pinpoint the age of the universe, revealed the birthplace of stars, and uncovered black holes lurking at the heart of galaxies. In honor of its anniversary, Nova tells the remarkable story that forever changed our understanding of the cosmos and our place in it.

"In distant realms far beyond the familiar solar system, an epic drama is playing out, with a cast list featuring rogue planets, colliding galaxies, and black holes more massive than a billion suns, and each character has its own extraordinary story to tell."

Join renowned gadget geek and host David Pogue as he sets out on a quest to discover how batteries work, and uncover what the future has in store for our gadgets, our lives, and even our planet.