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Explore the cutting edge of human achievement. Journey to the deepest reaches of space. Dive into the mysterious physics of quantum realms. Fly with astronauts into hostile extraterrestrial realms.
Faster Than Light: The Dream of Interstellar Flight
The dream of venturing into the unknown to see what's over the horizon is as old as humanity. Today, scientists believe the galaxy is filled with planets similar to Earth.
Hubble's Enduring Legacy
A look back at the Hubble Space Telescope's major accomplishments since its launch in April 1990.
Mars Calling: Manifest Destiny or Grand Illusion
Some believe Mars is the next home for humanity, but the real red planet is a trickster.
Moon Shots
With rare archive footage, this one-hour special brings scientific history to life.
Planet Hunters
Astrophysicists at the forefront of the search consider the possibility of finding a planet like Earth among any of the bodies discovered by a new space-based telescope.
Searching for Planet 9
At the edge of the solar system, a mysterious giant planet is said to be hidden, with a mass equivalent to five times the Earth. Several teams of astronomers relentlessly try to track this hypothetical exile.
The Age of Hubble
An army of high-tech telescopes, led by Hubble in space, has delivered an unprecedented chain of discoveries about how galaxies took shape, how stars live and die, and how life arose.
The Voyage Of Curiosity
The Mars Science Laboratory named Curiosity roams the surface of Mars.