NASA astronomer Michelle Thaller makes the case that quantum entanglement may be the underlying fabric from which spacetime itself emerges. 

Military satellite research brought us GPS. Astronomers influenced medical imaging tech. What would be invented after we discover alien life? Professor Sara Seager explains the consequences of such a groundbreaking discovery.

Astronomer Jill Tarter explains why SETI is really about technology, patience, and learning how to tell alien signals from our own.

Everything ever seen — every star, mountain, and face — makes up less than 5 percent of the universe. Astrophysicist Janna Levin reminds us that the rest — dark matter and dark energy — is invisible, mysterious, and everywhere. We are the luminous exception in a universe of darkness.

"Could black holes be the key to a quantum theory of gravity, a deeper theory of how reality, of how space and time works? Well, I think so."

“Could black holes be the key to a quantum theory of gravity, a deeper theory of how reality, of how space and time works?”

“We don't have enough knowledge to precisely calculate what is going to happen, and so we assign probabilities to it, which reflects our ignorance of the situation.”

"Asking the question of, "Where did the entire universe come from?" is no longer a question for poets and theologians and philosophers. This is a question for scientists, and we have some amazing scientific answers to this question."

"Many astronomers are really driven by the search for Earth twins because I think deep down the natural endpoint of this whole goal of looking for planets is to answer the question, are we alone?"

"Asking the question of, where did the entire universe come from, is no longer a question for poets and theologians and philosophers. This is a question for scientists, and we have some amazing scientific answers to this question that have defied even the wildest of our expectations."

From nothing to everything: How zero changed our understanding of the universe, forever.

Our host Kmele went inside Fermilab, America’s premiere particle accelerator facility, to find out how the smallest particles in the universe can teach us about its biggest mysteries.

Dispatches host Kmele Foster is on a journey to understand humanity’s role in the cosmos. His first stop? The Atacama Plateau in Northern Chile, home to the darkest deserts and largest telescopes on earth.

When black holes disappear, what happens to the stuff that fell in? Physicist Brian Cox explains.

Humanity is a type 0 civilization. Here’s what types 1, 2, and 3 look like, according to physicist Michio Kaku.

There are a few theories as to why we’ve never found other intelligent life in our Universe. Physicist Brian Cox walks us through them.

NASA’s Michelle Thaller explains what happens when the densest stars in the galaxy collide.

If Einstein couldn’t solve the theory of everything, could anyone? Physicist Michio Kaku explains what it would take.

A physicist discusses the boundaries of reality and experimentation.

Ever wonder what would happen if we got sucked into a black hole? Turns out we could live in it for a while — if it was big enough.

To understand the edges of our universe, we’ll need to explore the edges of our own philosophies.