How to See a Black Hole: The Universe's Greatest Mystery

An immersive journey through the cosmos, its origins and its songs.

Trek into the hidden battlefields of northern Botswana where lions and spotted hyenas clash in overlapping territories. With never-before-seen footage, much of it filmed at night, you'll uncover an intense and vicious blood feud that has been waged for millennia. Follow the Southern Clan, led by a powerful hyena matriarch whose firstborn female cub kills her sister at birth to assure her succession as leader of the clan. Lurk in the shadows as a lioness from the Central Pride gives birth to three cubs and then encounters a deadly Egyptian cobra. You'll be stunned by breathtaking chase scenes as the hyena matriarch is brutally killed by a male lion, throwing the clan into chaos. Discover nature's savage conflicts in this ancient rivalry.

This shows physicist Stephen Hawking's life as he deals with the ALS that renders him immobile and unable to speak without the use of a computer. Hawking's friends, family, classmates, and peers are interviewed not only about his theories but the man himself.

David Attenborough brings to life, in unprecedented detail, the last days of the dinosaurs. Palaeontologist Robert DePalma has made an incredible discovery in a prehistoric graveyard: fossilised creatures, astonishingly well preserved, that could help change our understanding of the last days of the dinosaurs. Evidence from his site records the day when an asteroid bigger than Mount Everest devastated our planet and caused the extinction of the dinosaurs. Based on brand new evidence, witness the catastrophic events of that day play out minute by minute.

The equation of life on the Serengeti is simple: carnivores eat plants, herbivores eat carnivores. Africa: The Serengeti takes you on an extraordinary journey to view a spectacle few humans have ever witnessed. The Great Migration. Journey with more than two million wildebeests, zebras and antelopes in their annual 500 mile trek across the Serengeti plains

A journey to seven of the most geographically dynamic locations on earth. The film features spectacular land forms, diverse wildlife and the people and cultures indigenous to these places. Distinct geographic places include the great island of Madagascar, home to unique limestone pinnacles and the playful lemur; and the greatest desert—the Namib—home of the largest sand dunes in the world that tower majestically over its western border, the Atlantic Ocean. Other locations featured are the great icecap of Greenland, Iguazu Falls in Brazil, the Okavango Delta in Botswana, the Chang Tang Plateau in Tibet, and the Amazon River in South America.

Join the Mars rovers Spirit and Opportunity for an awe-inspiring journey to the surface of the mysterious red planet.

The documentary follows leaders and community members from the tropical Pacific island nation who are making bold changes to move the needle on marine protection. With a population of under 2,000 people and a marine reserve covering 40% of its waters, Niue has demonstrated the ways in which traditional knowledge and contemporary science can live in harmony for the benefit of people and the planet.

Some 220 miles above Earth lies the International Space Station, a one-of-a-kind outer space laboratory that 16 nations came together to build. Get a behind-the-scenes look at the making of this extraordinary structure in this spectacular IMAX film. Viewers will blast off from Florida's Kennedy Space Center and the Baikonur Cosmodrome in Russia for this incredible journey - IMAX's first-ever space film. Tom Cruise narrates.

An epic story of adventure, starring some of the most magnificent and courageous creatures alive, awaits you in EARTH. Disneynature brings you a remarkable story of three animal families on a journey across our planet – polar bears, elephants and humpback whales.

"The World's Most Powerful Telescopes" is a research expedition across the southern firmament. The science documentary shows the powerful telescopes of the European Southern Observatory (ESO) in action and gives insight into the discoveries they make. The world's most powerful telescopes can be found atop the highest peaks of northern Chile, amidst the exotic flora and fauna of one of the driest regions on the planet: the Atacama Desert. This is the starting point for a journey to the outer edges of our universe.