This landmark new series explores the greatest set of journeys humankind has ever taken, on a quest to answer the deepest of questions: Where do we come from? How was the solar system formed? Are we alone in the universe?
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Mars: Hunt for Alien Life
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.
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Jupiter's Alien Secrets
Jupiter is a giant ball of liquid metal covered in violent storms, but there could be evidence of alien life; using the latest technology, experts uncover new discoveries from NASA's missions to reveal the truth.
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Mission to the Sun
When a team of scientists have launched a space probe to the heart of our solar system in brand-new mission to our Sun, it makes fresh discoveries reveal how it works; along the way, experts uncover a surprise find on Mercury.
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Venus: Earth's Alien Twin
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.
Jim Al-Khalili
Ben Bowie
Iain Riddick
