Twenty years after A Brief History of Time flummoxed the world with its big numbers and black holes, its author, Stephen Hawking, concedes that the "ultimate theory" he'd believed to be imminent - which would conclusively explain the origins of life, the universe and everything - remains frustratingly elusive. Yet despite his failing health and the seeming impossibility of the task, Hawking is still devoted to his work; an extraordinary drive that's captured here in fleeting interview snippets and footage of the scientist sharing a microwave dinner with some fawning PhD students. Though the pop-science tutorials that dapple the first of this two-part biography are winningly perky, Hawking, alas, remains as tricky to fathom as his boggling quantum whatnots

David Attenborough and scientist Johan Rockström examine Earth's biodiversity collapse and how this ...

At Arecibo Observatory in Puerto Rico, Eliana Nossa studies the ionosphere. This short films tells t...

This shows physicist Stephen Hawking's life as he deals with the ALS that renders him immobile and u...

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A physicist, a director of popular-science films, and a sports fan talk about the structure of the a...

Forensic experts scan Pompeii’s victims to investigate why they didn’t escape the eruption.

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Chris Hemsworth has a real passion for sharks. The Hollywood star talks to experts to find out more ...

For several decades, geoscientists have been observing that the Earth is changing rapidly due to hum...

Discovered about twenty years ago, the immense masses of water vapor that fly over the Amazon, calle...

The Academy Award® nominee Cosmic Voyage combines live action with state-of-the-art computer-generat...

An exploration of the link between science and beauty through the work of scientists at CERN, in Gen...

Billions of years ago, Venus may have harbored life-giving habitats similar to those on the early Ea...

99% of the plastic that should be floating in the oceans is missing. Even accounting for the plastic...

This documentary delves into the mysteries surrounding the Neanderthals and what their fossil record...

Although a real awareness of the populations is underway - the multiplication of natural disasters a...

Three million years ago, camels roamed through Greenland’s endless forests and our ancestors lived i...