The Violent Universe

Aspiring teenage astronauts reveal that a journey to Mars is closer than you think.

BUILT FOR MARS: THE PERSEVERANCE ROVER goes behind the scenes at NASA’s Jet Propulsion Laboratory to follow the birth of the Perseverance rover.

Trees talk, know family ties and care for their young? Is this too fantastic to be true? German forester Peter Wohlleben and scientist Suzanne Simard...

Can Homo sapiens evolve into Homo spatius? For over 50 years now, we have been testing our human nature in our effort to conquer outer space, and...

A real-time reconstruction of time-lapse photographs taken on board the International Space Station by NASA’s Earth Science & Remote Sensing...

The use of embryonic stem cells has ignited fierce debate across the spiritual and political spectrum. But what if we could create manmade stem cells...

National Geographic's riveting effort recounts all 12 crewed missions using only archival footage, photos and audio.

In Astronomy Part 2, you will learn all about the planets, asteroids, comets, meteoroids, the layers of the sun, fusion, and more. The Standard...

This series also covers the essential concepts of astronomy: gravity, the light spectrum, Earth's magnetic field, the solar system, the sun, Kepler's...

Physics is a system of models of nature according to which all phenomena are explained in terms of matter and force. Sound confusing? It doesn't have...

A documentary on Al Gore's campaign to make the issue of global warming a recognized problem worldwide.

Laika, a stray dog, was the first living being to be sent into space and thus to a certain death. A legend says that she returned to Earth as a ghost...