Twin astronauts Scott and Mark Kelly were separated for almost a year, undergoing intensive measurements when one was in space and one was on Earth. But that was only the beginning of their scientific odyssey. "Beyond A Year in Space," PBS and Time's follow-up documentary to last year's — which followed Scott Kelly from launch to landing — chronicles Kelly's return to life on Earth and the extensive medical testing the duo undergo to determine exactly what changes have occurred as a result of his record-breaking stay on the International Space Station. The documentary also follows two new astronauts, Jessica Meir and Victor Glover, training to go even further.

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

In the year 1957 the cold war expands to space. The Soviet-Union sends Sputnik as the first manmade ...
Comets pose one of the greatest threats to life on Earth - a threat that can only be countered if we...

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

Archival material from the original NASA film footage – much of it seen for the first time – plus in...

It was November 12, 2014, at 5:03pm. Humanity had just accomplished a feat that will forever mark it...

Travel alongside the astronauts as they deploy and repair the Hubble Space Telescope, soar above Ven...

In one single, epic camera move we journey from Earth's surface to the outermost reaches of the univ...
A short documentary about Fritz Lang's film 'Frau im Mond', and its relation to the science and hist...

Documentary about space colonization: a voyage across our planet, into the stars and beyond.

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

The 1960s was an extraordinary time for the United States. Unburdened by post-war reparations, Ameri...

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

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

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

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

Top Gear presenter James May presents this informative program that examines the historic moon missi...

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...

The wonders of the universe have long propelled our insatiable desire to learn more about who we are...