Season 2 - Episode Guide

Counting down the greatest moments in NASA's nearly sixty year history, revealing the incredible stories behind the missions and discoveries that have remade our understanding of the Final Frontier.

New discoveries on alien planets reveal the most violent storms and strangest weather in the universe including the possibility of raining rubies and diamonds, frozen wastelands and hellish infernos.

The genius of Einstein's theory of relativity was the first evidence that black holes might exist, but scientists still don't know what really happens inside of one. Follow the researchers investigating the dark secrets of this mysterious phenomenon.

NASA's Juno mission reveals secrets about Jupiter, a strange world that is more like a star than a planet; learning what lies beneath the planet's violent storms provides scientists with a new understanding of the solar system.

New research into our solar system's alien volcanoes reveal shocking discoveries; many of these fiery wonders are similar to the volcanoes on Earth, and some might even have created the conditions for extraterrestrial life.

Recent discoveries have revealed vast clouds of dark matter in our universe; this mysterious matter could be proof that multiple universes exist; join researchers as they investigate the secrets of dark matter.

Scientists believe that there is an undiscovered massive planet lurking at the edge of the 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.

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 a million times brighter.

For decades, researchers have been scouring the universe for signals from extraterrestrials; new discoveries reveal mysterious fast radio bursts from space that may be the key to confirming life in the cosmos.

Scientists are in 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 the first moments of the cosmos.