John Dobson, an 89 year old with a white ponytail and knack for comedy, is the inventor of the Dobsonian telescope mount, which revolutionized astronomy by making large, inexpensive telescopes and deep space observing available to amateur astronomers around the world.

The sun is the miracle that makes everything possible - but also the greatest danger. For the first ...

Cave paintings and lunar calendars exist in the caves and remains of prehistoric hunters studied rec...

This feature-length documentary is a portrait of eclipse chasers, people for whom solar eclipses - a...

The first feature from Alison McAlpine is a dialogue with the heavens—in this case, the heavens abov...

At the edge of our solar system supposedly lies an immense planet. Five to ten times the size of the...

Chaco Canyon, located in northwest New Mexico, is perhaps the only site in the world constructed in ...

The first American space station Skylab is found in pieces scattered in Western Australia. Putting t...

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

CERN and the University of California-Santa Barbara are collaborating in the search for the elusive ...

European Space Agency astronaut Alexander Gerst and his NASA colleague Reid Wiseman are launched int...

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

214 million years ago a gigantic meteorite broke up and impacted Earth. 65 million years ago, the im...

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

The Sun was born way before Man existed. What exact role did the Sun play in the emergence of life a...

Documentary which uses the latest, most detailed imagery to reveal the monthly life cycle of the moo...

Nowadays we associate Johannes Kepler with his famous laws of planetary motion. But the history of h...

That might seem a bizarre statement, coming a century after Einstein showed that gravity is the resu...

A documentary chronicling the history of the telescope from the time of Galileo. Featuring interview...

For thirty years, NASA's Hubble Space Telescope has discovered new alien worlds, black holes, and th...