What is our universe made of? The three leading theories on dark matter and its role in the cosmos are explored.

New evidence from NASA's Dawn mission to Ceres, a dwarf planet the size of Texas, is changing our understanding of not only the Asteroid Belt but may also hold the key to deciphering the early life of our solar system.

The faint red glow of Mars has intrigued those watching it from Earth for centuries. Now space exploration has begun to lift the veil on "The Red Planet", and upcoming missions to Mars are looking at Mars as a potential habitat for humans. Can we move to Mars in the next decade?

34 million miles away from Earth at its closest, Mars still seems like the next achievable objective in interplanetary travel. What will it take for humans to get to Mars and establish an Earth-independent way of life? Scientists propose housing in lava tubes to changing Mars' atmosphere.

What do space robots look like? Why and how can they lead space missions successfully? To what extent will they collaborate with astronauts or take their place? Find out what is in development around the world from robotic geology labs to space garbage collection.

July 4, 2016. The NASA probe Juno successfully enters orbit around Jupiter. Its mission: unravel mysteries, explore how the gas giant formed, uncover the secrets of its violent storms -- and glimpse the origin of our Solar System.

What is the future of the human presence in space? How might things be different if there had not been a Cold War and a Space Race? What does humanity gain by venturing into our solar system...and beyond?

NASA may have just gotten one step closer to answering the question: are we alone? The Spitzer Telescope has made a groundbreaking discovery of exoplanets that could be similar to our own. And as Kepler also continues its search, our understanding of the universe continues to be redefined.

CERN and the University of California-Santa Barbara are collaborating in the search for the elusive substance that physicists and astronomers believe holds the universe together -- dark matter. Where is this search now in the realm of particle physics and what comes next?

Twenty years after its launch, we bid farewell to the Cassini spacecraft as it plunges into Saturn’s atmosphere in a planned death spiral. Productive right to the end, Cassini has rewritten the textbook on not only Saturn and its moons, but our whole solar system as well.

Join astronaut Chris Hadfield - a YouTube sensation for his performance of David Bowie’s “Space Oddity” aboard the International Space Station - along with hitchhikers Michio Kaku (and others) on a joyride across our Solar System, scaled down to the size of the continental United States.

Our Sun could erupt at any moment, spewing a vast wave of charged particles toward Earth that could leave millions of people without power for up to a year. Learn about the latest missions to protect our planet from this potentially devastating threat.

The birth of our Solar System was both violent and chaotic. As planets formed around our Sun, gravity and luck determined their fate: some are tossed into the Sun, others thrown into interstellar space, never to return. It is survival of the fittest, on an interplanetary scale.

The most innovative area of human motion lies not on Earth, but with the exploration of space. Meet the private space entrepreneurs jostling to offer the tantalizing prospect of cheap, frequent travel beyond the atmosphere into Earth orbit.

The Apollo equipment has sat abandoned on the lunar surface for over 40 years. Now there is a renewed excitement and drive to return to the moon. This time, not to just plant a flag, but to colonize. How would we accomplish this? And why would we do it?

The Mars InSight lander is on a 6-month journey to the Red Planet, with hopes of uncovering some of our planetary neighbor's secrets. Digging deep into Martian soil, the lander will measure marsquakes and also study the deep interior of Mars - perhaps revealing the origins of the planet.

In 2017, two solar eclipses crossed the planet. Millions were awestruck as the earth, moon, and sun aligned, casting watchers into total darkness. America experienced the most extensive total eclipse, lasting ninety straight minutes, visible along a path pinpointed by NASA scientists.

On July 20th, 1969, the history of space exploration would forever be changed as two men left their boot prints on our moon's surface. This remarkable feat would be the culmination of decades of research, sacrifice, and innovation. How did we get there?

How do these objects differ from one another, if at all? Nick Moskovitz, an astronomer at the Lowell Observatory, compares these two space solar system bodies.

The fate of the Mars InSight lander will all come down to a fiery seven-minute freefall into the Red Planet. Will it survive and reveal new insight into our planetary neighbor, or will the atmosphere of Mars prove to be too much for our new planetary explorer?

Deep in the mountains of West Virginia, the Green Bank Observatory has been receiving a mysterious signal from deep space. Could this be a message from an advanced civilization, or is it a much stranger and violent occurrence? Visit the largest steerable radio telescope on the planet for answers.

For the first time, scientists have captured a photograph of a black hole. The image verifies one of the most important theories in physics and will help unlock the greatest mysteries of the cosmos.

Meet Perseverance, NASA's latest rover, as it heads to Mars to answer one question: did life exist on the red planet? On the way, it will lay the foundation for human exploration of our closest neighbor.

This year we said goodbye to one of our most intrepid planetary explorers, the Opportunity rover. Take a look back at its storied 15-year mission on Mars, and how it revolutionized our understanding of not just the red planet, but our solar system at large.

Drones have already conquered Earth, and now they're heading out into the solar system. The Mars Helicopter, Ingenuity is proving to be successful and will pave the way for Dragonfly, a future daring mission to Titan.

OSIRIS-REx is NASA's first asteroid-sampling spacecraft on an asteroid called BENNU. It attempts a "touch-and-go" (TAG) sample collection which involves a series of maneuvers that will bring the spacecraft down to the asteroid's surface.

A non-profit organization established in 2011 is aiming to land the first Israeli spacecraft on the Moon. This is the story of their attempt and the excitement of being the first private company to have a spacecraft launched with the intention of going to and landing on the moon.

The remarkable story of the engineers behind the revolutionary technologies developed for the Apollo missions. In the face of epic challenges, and with a fraction of today’s technology, these are the people who navigated us to the moon and back.

It was discovered on October 19th, 2017 and it was recognized as the first known object of its type. It is unique since it is the first known object that came from outside our solar system. But while we observed it, the mystery surrounding it grew.

Solar sails, the latest in space travel technology, could one day help us reach nearby stars. Follow the exciting missions laying the ground towards a new form of space exploration.

For the first time in decades, NASA is sending two new missions to Venus designed to study and explore the planet’s atmosphere and earth-like composition. Together, DAVINCI and VERITAS will provide a new, 360º view of Venus -- its history, and perhaps a window into Earth’s past as well.

Watch as the Mars Perseverance Rover makes its historic landing on the Red Planet. We take you inside the harrowing February 18, 2021 landing, the science mission, and cutting-edge technology, including the first-ever Martian helicopter.

This is the epic story of the James Webb Space Telescope, told first-hand by the scientists who developed it. Building the largest, most advanced, and most expensive telescope ever made does not come without its challenges. But seeing further into space than ever before will be worth the struggle.

This is an inside look at NASA's groundbreaking Artemis Program, the spacecraft, and the people who will bring humanity one step closer to the moon, Mars, and beyond.

While humans debate which is worse, dwindling resources or planet-killing celestial bodies, new breakthroughs in extra-planetary surveying and rocket propulsion are revealing the dichotomy of asteroids; those that might provide a new source of precious metals and those that can outright kill us.

Astronomers linked radio dishes around the world to create the “Event Horizon Telescope” and have utilized this tool to photograph a supermassive black hole in the heart of our own Milky Way Galaxy. Its name is “Sagittarius A Prime” and it is over 4 million times more massive than the Sun.

For the first time in history, NASA’s Parker Solar Probe has pierced the Sun’s corona and is orbiting above its surface. Scientists have a front-row seat to better understand the sun and predict huge solar eruptions that can cause serious damage when they hit Earth.

The dawn of a new era in astronomy has begun as the world gets its first look at the full capabilities of NASA’s James Webb Space Telescope. These first images from the world’s largest and most powerful space telescope demonstrate Webb at its full power.

Only a few years ago science fiction, today reality: private companies send astronauts, tourists and technology into space. The competition for technical supremacy in space has begun. This film shows the complicated dynamics between public and private interests in the "New Space".

Since the beginning of humankind, gravity has ensured that we are firmly anchored to the earth. But humans are ambitious beings, always striving for the next conquest and pushing the limits of what is possible. What made us take to the skies - and who were the dreamers who dared to defy gravity?

We’ve known about them for centuries and have been photographing them for decades, but a new pair of missions will be launching to bring us closer than we’ve ever been to Jupiter’s icy moons. Revealing answers to what may be astronomy’s biggest question…do the conditions for life exist beyond Earth?

How can we define and understand what our universe is made of?

Space: Experts and astronauts discuss the reality and the dreams of space exploration and discoveries.

What is astronomy discovering about our solar system and the asteroids, planets, meteors and stars that we see in the night sky?

Is there other life in the universe? How do we find out? What is the protocol if we discover extraterrestrials? Experts weigh in.

Whether it is (or is not) a planet, Pluto is fascinating for astronomers.

Dark matter, particle physics and supersymmetry make our universe a fascinating and complex challenge to understand.

What role will the moon play in man's next attempts to conquer space?

They’re out there, all alone in the vastness of space. Join the space probes, and their parents back on Earth, to explore our solar system.

Catch up on all the discoveries made by the space probe Juno, which is up close and personal with the largest planet in the solar system.

An interstellar adventure in search of an exoplanet that supports complex life. We ask the greatest minds in the world: How do we get there?

Renowned physicist Stephen Hawking takes a flight of epic proportions to visit his favorite places in the Universe.

Secrets of the Universe launches viewers on eight mind-blowing adventures to seek answers to some of the Universe’s biggest mysteries.