S2E1 - NASA's Greatest Moments
See the countdown of the greatest moments in NASA's nearly 60-year history.
April 11, 2017, midnight
S2E2 - Strangest Alien Storms
New discoveries on alien planets reveal violent storms and strange weather.
April 18, 2017, midnight
S2E3 - Black Holes: The Einstein Prophecy
The genius of Einstein's theory of relativity was the first evidence that black holes might exist, but scientists still do not know what really happens inside of one. Follow the researchers investigating the dark secrets of this mysterious phenomenon.
April 25, 2017, midnight
S2E4 - Secret History of Jupiter
Recent discoveries by NASA's Juno mission reveal new secrets about Jupiter, a strange world that is more like a star than a planet. As scientists uncover what lies beneath its violent storms, our understanding of the solar system could change forever.
May 2, 2017, midnight
S2E5 - Mysteries of Alien Volcanoes
New research into our solar system's volcanoes reveal shocking discoveries.
May 9, 2017, midnight
S2E6 - Curse of Dark Matter
Recent discoveries have revealed vast clouds of dark matter in our universe. Could this mysterious matter be proof that multiple universes exist? Join researchers as they investigate the secrets of dark matter.
May 16, 2017, midnight
S2E7 - Race to Planet 9
Scientists believe that there is an undiscovered massive planet lurking at the edge of our solar system. Join researchers as they hunt for this mysterious world, an investigation that could reveal the secret history of the solar system's formation.
May 23, 2017, midnight
S2E8 - Rise of the Monster Stars
The most extreme stars in our universe could be the key to understanding life in the cosmos. These monster stars are among the oldest in the universe, and can be hundreds of times larger than our Sun and burn over million times brighter.
May 30, 2017, midnight
S2E9 - Stranger Signals from Alien Worlds
New discoveries reveal radio bursts that may confirm life in the cosmos.
June 6, 2017, midnight
S2E10 - Secret History of the Big Bang
Scientists are on a race to find the beginning of time and space: the Big Bang. Cutting-edge technology helps astronomers look back in time to uncover the mysteries of our universe's creation, revealing hat happened in the first moments of the cosmos.
June 13, 2017, midnight