了解宇宙如何运行 - Season 6 Episode 7 类星体之谜

A series of short stories about human space exploration.

Dive into the mysteries of some of NASA’s most curious missions and explore stories of engineering achievement and human endurance. Each...

Carl Sagan covers a wide range of scientific subjects, including the origin of life and a perspective of our place in the universe.

Are we finally a step closer to understanding the great unknown and what it may – or may not – hold? Man has always been curious about...

There's nothing else like it. Chris Packham reveals the epic, four-billion-year story of our home - from its dramatic creation to the arrival of...

A searing indictment of Big Pharma and the political operatives and government regulations that enable over-production, reckless distribution and...

Exploring the vital role colour plays in the daily lives of many species.

Professor Brian Cox explores the dramatic lives of the eight majestic planets/worlds that make up our solar system.

Famed astrophysicist Neil deGrasse Tyson provides clarity for the vision of the cosmos as he voyages across the universe with never-before-told...

Hosted by Morgan Freeman, Through the Wormhole explores the deepest mysteries of existence - the questions that have puzzled mankind for eternity....

Stephen Hawking draws on 40 years of research to answer some of life's most compelling questions.

In a quest for world domination, the Nazis built some of the biggest and deadliest pieces of military hardware and malevolent technology in history....

Doctor at Sea is a British television comedy series based on a set of books by Richard Gordon about the misadventures of Doctors at sea. The series...

Constable Benton Fraser, an officer of the Royal Canadian Mounted Police, is attached to the Canadian consulate but works with Chicago Police...

In his basement in San Francisco, boy-genius Quinn Mallory unlocks the doorway to an infinite number of Earths. During a test run, Quinn invites...

On the 150th anniversary of its founding, Kevin Costner explores Yellowstone National Park to find out if it's still as wild and untouched as it was...

From the planets to the stars and out to the edge of the unknown, history and science collide in a wondrous yet deadly adventure through space and...

This documentary series tackles one of history's most horrifying subjects: the Holocaust and the infamous Auschwitz-Birkenau concentration camp.