A documentary chronicling the history of the telescope from the time of Galileo. Featuring interviews with leading scientists discussing Galileo's first use of the telescope to the latest discoveries in cosmology.

National Geographic and NASA are sending you into space - live! For the first time ever, board the I...

Horizon visits state-of-the-art laboratories and uses CGI to recreate the science-fiction-worthy wea...

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

An African narrator tells the story of earth history, the birth of the universe and evolution of lif...

At the edge of our solar system supposedly lies an immense planet. Five to ten times the size of the...
Every now and then, we get a teacher who doesn't just connect with us -- they make us a better perso...

Twelve men who belong to one of the world's most exclusive fraternities -- people who've walked on t...

This documentary outlines the unique properties and latest studies of "Physarum Polycephalum", also ...

While life expectancy is increasing in Western countries, cases of diabetes, hypertension, obesity a...

Join the Mars rovers Spirit and Opportunity for an awe-inspiring journey to the surface of the myste...
Comets pose one of the greatest threats to life on Earth - a threat that can only be countered if we...

Some 220 miles above Earth lies the International Space Station, a one-of-a-kind outer space laborat...

A new age of space exploration, and exploitation, is dawning. But surprisingly, some of the boldest ...

Join critically-acclaimed author and evolutionary biologist Richard Dawkins and world-renowned theor...

An incredible travel through space and time between the walls of the Paris Observatory, which is cel...

An epic journey around Mars — built from real satellite and rover data — revealing the red planet as...

The use of embryonic stem cells has ignited fierce debate across the spiritual and political spectru...

Documentary about the Griffith Observatory, shown at their Leonard Nimoy Event Horizon Theater

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