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The story of how an underground group of scientists took on the establishment to send a spacecraft to Pluto, the most distant world ever seen up-close.

Mysteries of the Universe: Our Solar System

Pluto: The Dark Reaches

From the smallest cell to the solar system, Science is an odyssey of scientific facts, investigations and breakthroughs.

Science

A look at how asteroids and comets have endured unimaginable periods of time and revealed the origins of the solar system.

The Asteroid Mysteries

Saturn is the the crown jewel of the solar system, and using the latest discoveries, some of the world's top experts seek to unravel the mystery of why its extensive ring system exists and if any of its many moons could harbor alien life.

Secrets of Saturn

Venus is a hellish alien world believed to be impossible to extraterrestrial life; but new discoveries reveal shocking evidence within its deadly atmosphere and on its strange surface, all pointing to a possible future for planet Earth.

Venus

The world's top space scientists use stunning images from space to reveal the secrets that the planets have kept for billions of years.

The Grand Tour

A team of scientists launch a probe to touch the sun and make a surprise discovery on the tiny planet Mercury.

Mission to the Sun

The story of how humans built machines that not only survived the perils of Jupiter, a massive and dangerous planet surrounded by a wreath of deadly radiation, but revealed its innermost secrets.

Jupiter's Alien Secrets

Humanity's conquest of Mars became a reality with the Viking missions of the 1970s, and some experts believe that evidence gathered from these incredible explorations proves that there was once life on the Red Planet.

Mars: Hunt for Alien Life

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The dedicated people who sent spacecraft to explore the sun, the planets and more provide the ultimate guide to the solar system.

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From the smallest cell to the solar system, Science HD is an odyssey of scientific facts, investigations and breakthroughs.

S1 E4 | The Grand Tour