Episodes airing soon

  • A Grand Tour

    Embark on a grand tour of the solar system, unravelling secrets that the planets have harboured for millions of years and discover that Earth almost never existed at all.

  • A Grand Tour

    Embark on a grand tour of the solar system, unravelling secrets that the planets have harboured for millions of years and discover that Earth almost never existed at all.

  • The Realm of the Sun

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

  • The Realm of the Sun

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

  • Venus: A Living Hell?

    For centuries, humans imagined Venus to be a tropical paradise, but in reality its clouds are full of acid and the temperature is the same even at the poles.

  • Venus: A Living Hell?

    For centuries, humans imagined Venus to be a tropical paradise, but in reality its clouds are full of acid and the temperature is the same even at the poles.

  • The Great Red Hope

    Mars is one of the best-explored places in the solar system and yet we still don't know the answer to the big question: is there or was there life on Mars?

  • The Great Red Hope

    Mars is one of the best-explored places in the solar system and yet we still don't know the answer to the big question: is there or was there life on Mars?

  • The Asteroid Belt

    Discover the eerie wasteland of failed planets and strange rocks that lies beyond Mars and before Jupiter.

  • The Asteroid Belt

    Discover the eerie wasteland of failed planets and strange rocks that lies beyond Mars and before Jupiter.

  • Jupiter: The Mighty Planet

    Jupiter is big, very dangerous and has moons as big as planets, but the more we learn we must conclude this giant is less of a planet and more of a failed star.

  • Jupiter: The Mighty Planet

    Jupiter is big, very dangerous and has moons as big as planets, but the more we learn we must conclude this giant is less of a planet and more of a failed star.

  • The Celestial Beauty

    In 1610, Galileo Galilei became the first person to observe Saturn's rings and this celestial mystery has been puzzling mankind ever since.

  • The Celestial Beauty

    In 1610, Galileo Galilei became the first person to observe Saturn's rings and this celestial mystery has been puzzling mankind ever since.

  • The Outer Planets

    The first mission to Pluto. Speaking to the people involved, the steps on this incredible journey are retraced, while also looking at the events that led them there.

  • The Outer Planets

    The first mission to Pluto. Speaking to the people involved, the steps on this incredible journey are retraced, while also looking at the events that led them there.

Episode guide

Secrets Of The Solar System

Series 1

Secrets Of The Solar System

  • Secrets Of The Solar System

    An examination of how the regular discovery of distant planets is forcing scientists to put forward new theories to explain the creation of the solar system.

    Not scheduled
    Not scheduled
Secrets Of The Solar System

Series 1

Secrets Of The Solar System

  • Venus: A Living Hell?

    For centuries, humans imagined Venus to be a tropical paradise, but in reality its clouds are full of acid and the temperature is the same even at the poles.

  • Jupiter: The Mighty Planet

    Jupiter is big, very dangerous and has moons as big as planets, but the more we learn we must conclude this giant is less of a planet and more of a failed star.

  • The Realm of the Sun

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

  • A Grand Tour

    Embark on a grand tour of the solar system, unravelling secrets that the planets have harboured for millions of years and discover that Earth almost never existed at all.

  • The Great Red Hope

    Mars is one of the best-explored places in the solar system and yet we still don't know the answer to the big question: is there or was there life on Mars?

  • The Asteroid Belt

    Discover the eerie wasteland of failed planets and strange rocks that lies beyond Mars and before Jupiter.

  • The Celestial Beauty

    In 1610, Galileo Galilei became the first person to observe Saturn's rings and this celestial mystery has been puzzling mankind ever since.

  • The Outer Planets

    The first mission to Pluto. Speaking to the people involved, the steps on this incredible journey are retraced, while also looking at the events that led them there.