Viewers go deep into an Alaskan winter to meet six tough and resilient residents as they try to stay one step ahead of storms and man-eating beasts to make it through to spring. The closest neighbor to Sue Aikens is more than 300 miles away. Eric Salitan subsists solely on what he hunts and forages. Chip and Agnes Hailstone catch fish for currency in bartering for supplies, and Andy and Kate Bassich use their pack of sled dogs for transportation.

The life stories of history's greatest minds. From their days as young adults to their final years we see their discoveries, loves, relationships, causes, flaws and genius.

Famed astrophysicist Neil deGrasse Tyson provides clarity for the vision of the cosmos as he voyages across the universe with never-before-told stories that delve into the scientific concepts of the laws of gravity and the origins of space and time.

The famed survivalist takes A-list celebrities on journeys into the wildest locations around the world, forcing the stars to push their bodies and minds to the limit to successfully complete the adventure of a lifetime.

A mind-bending, thrilling journey exploring the fragility and wonder of planet Earth, one of the most peculiar, unique places in the entire universe, brought to life by the only people to have left it behind – the world’s most well known and leading astronauts.

Fishing is a hard life, and harder with bluefin stocks depleted. In Gloucester, Massachusetts, there's a special breed of fishermen. For generations they've used rod and reel to catch the elusive bluefin tuna. They depend on these fish for their livelihood, and the competition is brutal. Over the next 10 weeks, the most skilled fishermen will set out in the frigid waters of the North Atlantic in hopes of catching the valuable bluefin tuna. When one bluefin can bring in as much as $20,000—they'll do whatever it takes to hook up.

In this anthology series, heroic scientists risk all to deal with deadly outbreaks.

Big, Bigger, Biggest is a British documentary television series which began airing in 2008. A total 20 episodes have been produced across 3 seasons.

The maiden crew of the Daedalus spacecraft must push itself to the brink of human capability in order to successfully establish the first sustainable colony on Mars. Set both in the future and in the present day, this series blends scripted elements set in the future with documentary vérité interviews with today’s best and brightest minds in modern science and innovation, illuminating how research and development is creating the space technology that will enable our first attempt at a mission to Mars.

Science of action is described in several different daily routine activities like sports, stunts, adventures, and things that should not be done at home. This series shows videos of people hurting themselves and explains the science behind them.

Get ready to have your mind messed with! "Brain Games" is a groundbreaking series that uses interactive experiments, misdirection and tricks to demonstrate how our brains create the illusion of seamless reality through our memory, through our sensory perception, and how we focus our attention.

Twentysomething Miep Gies didn't hesitate when her boss Otto Frank came to her and asked her to hide his family from the Nazis during World War II. For the next two years, Miep, her husband Jan, and the other helpers watched over the eight souls in hiding in the Secret Annex. And it was Miep who found Anne’s Diary and kept it safe so Otto, the only one of the eight who survived, could later share it with the world as one of the most powerful accounts of the Holocaust.

Host Neil deGrasse Tyson brings together celebrities, scientists and comedians to explore a variety of cosmic topics and collide pop culture with science in a way that late-night television has never seen before. Weekly topics range from popular science fiction, space travel, extraterrestrial life, the Big Bang, to the future of Earth and the environment. Tyson is an astrophysicist with a gifted ability to connect with everyone, inspiring us all to to "keep looking up."

Shot from land and air, in trees and cliff-blinds, on ice floes and underwater, this documentary tells the powerful stories of many of the planet's species and their movements, while revealing new scientific insights with breathtaking high-definition clarity and emotional impact. The beauty of these stories is underscored by a new focus into these species; fragile existence and their life-and-death quest for survival in an ever-changing world.

Follow the story of the heroic underdogs of the natural world – the good, the bad and the frankly ugly. From their hidden talents to their bold hygiene choices, unsavory courtship rituals, devious camouflage techniques and “tough love” parenting skills, Underdogs will celebrate and champion the unique and unpredictable behaviors of a little known and surprising cast of animal characters.

Maritime mysteries—old and new—come to life in this series, combining scientific data and digital re-creations to reveal shipwrecks, treasures, and sunken cities on the bottom of lakes, seas and oceans around the world.

Using live-action wildlife films from the National Geographic and the BBC archives, this animated PBS series tells the warmhearted story of an elephant named Mama Mirabelle, who travels the world filming wildlife movies that she shares with her family and friends back home in the African savanna, including her son Max, Bo the cheetah, a zebra named Karla and three monkey brothers -- Kip, Flip, and Chip.

Millions enter the US through airports each year, and hid amongst them are a stream of contraband ill intentions. Defending our borders are the vigilant men and women of the Department of Homeland Security, whose agencies make up a three-tiered defense of America’s airports. DHS will stop at nothing to catch a smuggler.

A disparate group of outcasts and dreamers battle to escape their pasts while navigating the brutal frontier hardships, competing interests, and tangled loyalties at the crossroads of civilization: the New World. Based on the novel by Pulitzer-winner Annie Proulx.

In six remote and beautiful places on our planet are queendoms run by the most powerful leaders in the animal world. These queens are sisters, single mothers, grandmothers. This documentary series tells their stories of resilience, strength, love and loss for the first time.