Mar 20, 2018 · 43m
Astronaut Mike Massimino uses the latest science to reveal the strange secrets of planet earth, and explores whether alien earths exist elsewhere in the universe.


The story of the discovery and exploration of the planets, revealing the deepest secrets of our neighbors in space.
Browse every episode and jump into details.
Mar 20, 2018 · 43m
Astronaut Mike Massimino uses the latest science to reveal the strange secrets of planet earth, and explores whether alien earths exist elsewhere in the universe.
Mar 27, 2018 · 43m
Astronaut Mike Massismino uncovers the violent secrets of the most deadly planets outside our solar system.
Apr 3, 2018 · 43m
Astronaut Mike Massimino explores the dark secret of the Milky Way, the home to both Earth and a terrifying supermassive black hole.
Apr 10, 2018 · 43m
Astronaut Mike Massimino uses the latest NASA discoveries to explore the dark and mysterious frontiers of our solar system.
Apr 17, 2018 · 43m
Astronaut Mike Massimino journeys to Uranus and Neptune, the farthest planets from the sun and the home to some of the solar system's strangest mysteries.
Jul 24, 2018 · 43m
Astronaut Mike Massimino explores the universe's strangest alien galaxies, strange places that could be home to extraterrestrial life and deadly supermassive black holes.
Jul 31, 2018 · 43m
Astronaut Mike Massimino explores Mercury, a deadly and tiny planet that faces constant attacks from the Sun, and which might one day pose a threat to all life on Earth.
Aug 7, 2018 · 43m
Astronaut Mike Massimino reveals the alien secrets of comets, strange visitors from deep space that might be responsible for life on Earth.
Aug 14, 2018 · 43m
Astronaut Mike Massimino journeys to the sun, revealing the secrets of Earth's star and how it will one day destroy the planet.
Aug 21, 2018 · 43m
Astronaut Mike Massimino uncovers the strange and violent birth of the solar system, and reveals how its planets were built from the wreckage of bygone alien worlds.
Aug 28, 2018 · 43m
Astronaut Mike Massimino explores dwarf planets, mysterious worlds like Pluto that are too small to be a planet, but are home to some of the universe's biggest secrets.
Sep 4, 2018 · 43m
Astronaut Mike Massimino journeys to the deadliest stars in the universe, where terrifying suns can rip apart planets but may be integral to life on Earth.
Sep 11, 2018 · 43m
Astronaut Mike Massimino uses the latest science to explore the alien volcanoes of distant worlds and reveals if they are hotbeds for extraterrestrial life.
Sep 18, 2018 · 43m
Astronaut Mike Massimino journeys to the alien moons of the solar system and discovers if these strange worlds could be habitable for life beyond Earth.
Sep 25, 2018 · 43m
Astronaut Mike Massimino explores the mysterious oceans of the solar system, where the latest discoveries provide new clues in the search for alien life.
Quick answers about this season's release timeline and episode lineup.
The Planets and Beyond Season 2 premiered on March 20, 2018.
The Planets and Beyond Season 2 has 15 episodes.
The season opens with Season 2 Episode 1, "Earth: The Secret History". It aired on March 20, 2018.
Go to Season 2 Episode 1