Supernovas are the violent death of giant stars, and new discoveries reveal that these cataclysmic events create the elements that are essential to all life in the universe.

Nebulas are the strange structures of cosmic gas and dust where stars are born and die, and new discoveries reveal the secrets of these mysterious places.

New discoveries have revealed thousands of exoplanets beyond our solar system. Some resemble earth enough that one could be a new home for humanity. Even with cutting-edge technology, finding the perfect one is the scientific challenge of the age.

Adam Savage and team test if old batteries can set off a dangerous chain reaction and get to the bottom of a age-old idiom with one of the world's best archers and a diabolically difficult trick-shot.

Adam Savage and the team find out what happens when the destructive power of chain reactions is let loose and investigate how to solve the ultimate Jenga challenge

From the mission that saw Pluto for the first time to the Mars rovers, a new breed of explorers are risking their careers, and even their lives, to lead humanity to worlds we have never seen and tackle the mysteries of life itself.

Meet the scientists across the world on the hunt for dark energy, an unknown form of energy which is hypothesized to permeate all of space and may be accelerating the expansion of the universe.

An exploration of the dramatic fate of our future descendants, the technology they'll need to survive the end of this world billions of years from now, and our options for colonizing a new planet somewhere far from Earth.

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.

The story of how a large aerospace company, BAE Systems, began a secret project to counter the force of gravity while NASA simultaneously ran a similar 'Breakthrough Propulsion Physics' program

The future of space travel is under attack -- by millions of pieces of debris from old satellites and missions that surround Earth. Go inside the effort by the U.S. government and others to combat the lethal threat of space junk.

A team of scientists are looking for the very first stars in the universe, which were born moments after the Big Bang and gave creation the earliest ingredients for life. Go inside this groundbreaking quest for this pivotal moment.

We countdown 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. On some planets, there might be rain of rubies and diamonds, and others could have supersonic winds and extreme temperatures.

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.