Seasons & Episodes
Jupiter: King of the Planets
Astronaut Mike Massimino leads a journey to Jupiter where he investigates the planet's deepest mysteries and tries to di
Mars: The Definitive Guide
Astronaut Mike Massimino reveals the answers to some of the greatest mysteries on the Red Planet. Using the most detaile
Venus: The Hell Planet
Astronaut Mike Massimino explores Venus, a hellish planet covered in active volcanoes and dense clouds. Using cutting ed
Saturn: Mysteries Among the Rings
Astronaut Mike Massimino reveals the mysterious secrets of Saturn and its rings; using the latest science from the Cassi
Planet 9: The Lost World
Astronaut Mike Massimino investigates the possibility of a giant ninth planet at the edge of the solar system; using the
Pluto: The Secret Science
Astronaut Mike Massimino explores the dwarf planet Pluto, a tiny frozen world surrounded in secrets; using the latest sc
Alien Worlds: Stranger Than Fiction
Astronaut Mike Massimino explores the incredible new alien planets being found daily by astronomers; using the latest sc
The Moon: Earth's Guardian Angel
Astronaut Mike Massimino reveals the mysterious secrets of the moon, a world permanently tied to Earth; using new resear
Earth: The Secret History
Astronaut Mike Massimino uses the latest science to reveal the strange secrets of planet earth, and explores whether ali
Alien Planets: Cosmic Nightmares
Astronaut Mike Massismino uncovers the violent secrets of the most deadly planets outside our solar system.
Milky Way: The Monster Inside
Astronaut Mike Massimino explores the dark secret of the Milky Way, the home to both Earth and a terrifying supermassive
Ends of the Solar System: Strange Frontiers
Astronaut Mike Massimino uses the latest NASA discoveries to explore the dark and mysterious frontiers of our solar syst
Ice Giants: The Frozen Aliens
Astronaut Mike Massimino journeys to Uranus and Neptune, the farthest planets from the sun and the home to some of the s
Alien Galaxies: The Strange Secrets
Astronaut Mike Massimino explores the universe's strangest alien galaxies, strange places that could be home to extrater
Mercury: The Cursed Planet
Astronaut Mike Massimino explores Mercury, a deadly and tiny planet that faces constant attacks from the Sun, and which
Comets: Mysteries from the Deep
Astronaut Mike Massimino reveals the alien secrets of comets, strange visitors from deep space that might be responsible
The Sun: Secrets of Our Star
Astronaut Mike Massimino journeys to the sun, revealing the secrets of Earth's star and how it will one day destroy the
The Solar System: Alien Origins
Astronaut Mike Massimino uncovers the strange and violent birth of the solar system, and reveals how its planets were bu
Dwarf Planets: Aliens Among Us
Astronaut Mike Massimino explores dwarf planets, mysterious worlds like Pluto that are too small to be a planet, but are
Alien Stars: Mystery of the Monsters
Astronaut Mike Massimino journeys to the deadliest stars in the universe, where terrifying suns can rip apart planets bu
Alien Volcanoes: Life in Hell
Astronaut Mike Massimino uses the latest science to explore the alien volcanoes of distant worlds and reveals if they ar
Alien Moons: The Next Earth
Astronaut Mike Massimino journeys to the alien moons of the solar system and discovers if these strange worlds could be
Alien Oceans: Search for Life
Astronaut Mike Massimino explores the mysterious oceans of the solar system, where the latest discoveries provide new cl
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