See the countdown of the greatest moments in NASA's nearly 60-year history.

New discoveries on alien planets reveal violent storms and strange weather.

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.

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.

New research into our solar system's volcanoes reveal shocking discoveries.

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.

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.

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.

New discoveries reveal radio bursts that may confirm life in the cosmos.

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.

New telescope technology has helped astronomers to explore the never-before-seen invisible universe. These modern marvels ushered in a new age of discovery, revealing the secrets of the greatest enigmas in the cosmos, from giant black holes to supernovas.

Meteors are a deadly threat for our planet, but new technology may provide a way for Earth to fight back when they attack. Join experts as they uncover the mysteries behind these fascinating and terrifying celestial objects.

Space entrepreneurs are on a race to transform space travel to create a home for humans beyond Earth. In this twenty-first century Space Race, modern day visionaries as they plan regular rocket launches, space hotels, and colonies on Mars.

Astronomers and researchers are on the hunt for the groundbreaking discovery that confirms extraterrestrial life. Using state-of-the-art technology like the Kepler telescope, scientists examine thousands of exoplanets in search of another Earth.

Go inside the final moments of NASA's Cassini mission, a 20-year project to explore Saturn and its moons. Cassini revealed the secrets of strange new worlds that could harbor alien life, changing everything we know about our Solar System.

The latest discoveries reveal the mysterious and ever-changing nature of our Sun. Astronomers are only now beginning to understand the vast power of our giant star, and new ground-breaking investigations show it like never before.

This episode is about the possibilities of finding life in our solar system. It has in depth views and information about Mars, Europa, Enceladus, and Titan.

Gravitational waves may reveal the secrets behind the Big Bang.

New discoveries reveal that everything known about the moon could be wrong; investigators race to understand the mysteries of its dark and violent past.

A mysterious star hundreds of light years away might hold the hard evidence of extraterrestrial life, as experts speculate that its bizarre behavior points to proof of a massive alien-made megastructure.

New discoveries change everything known about Saturn's rings, revealing that they're newer and more mysterious than ever imagined, and that some day soon, they might disappear forever.

New discoveries are helping experts in their search for the first alien moon outside our solar system, which could be Earth-like worlds with the potential for life. So far, they haven't found any, but twenty-first century methods might change everything.

New discoveries reveal the dark secrets of comets, and using the latest tech, experts might prove that these mysterious alien visitors are the reason for all life on earth.

New discoveries might finally reveal how supermassive black holes are made, and using the latest technology, experts are on the verge of understanding how these monsters grow and how they affect life on our planet.

A soaring quest through the solar system’s exotic and hidden water realms, from the deep seas below the icy crust of Europa to the vast prehistoric oceans that once existed on Mars billions of years ago.