Season 5

Video thumbnail: PBS Space Time The Doomsday Argument

PBS Space Time

The Doomsday Argument

A simple statistical argument tells us that the doom of our species is much, much closer.

The Doomsday Argument

Video thumbnail: PBS Space Time Is The Universe Finite?

PBS Space Time

Is The Universe Finite?

Our universe may actually be finite in size.

Is The Universe Finite?

Video thumbnail: PBS Space Time Why We Might Be Alone in the Universe

PBS Space Time

Why We Might Be Alone in the Universe

Why does it appear, that humanity is the lone intelligence in the universe?

Why We Might Be Alone in the Universe

Video thumbnail: PBS Space Time Black Hole Harmonics

PBS Space Time

Black Hole Harmonics

We’ll explore the papers that claim to have detected black hole harmonics.

Black Hole Harmonics

Video thumbnail: PBS Space Time How Many Universes Are There?

PBS Space Time

How Many Universes Are There?

The universe is big, but it’s peanuts compared to the eternally inflating multiverse

How Many Universes Are There?

Video thumbnail: PBS Space Time Is Pluto a Planet?

PBS Space Time

Is Pluto a Planet?

You know what a planet is, right? A big round thing that orbits a star. Uh, not so fast.

Is Pluto a Planet?

Video thumbnail: PBS Space Time How To Become an Astrophysicist

PBS Space Time

How To Become an Astrophysicist

Are you thinking about becoming (or ever just wondered how one becomes) an Astrophysicist?

How To Become an Astrophysicist

Video thumbnail: PBS Space Time What Happened Before the Big Bang?

PBS Space Time

What Happened Before the Big Bang?

We actually have a pretty good idea of what might have happened before the Big Bang.

What Happened Before the Big Bang?

Video thumbnail: PBS Space Time How Black Holes Need Galaxies [NEEDS ASSETS]

PBS Space Time

How Black Holes Need Galaxies [NEEDS ASSETS]

It turns out black holes may be responsible for ending star formation across the galaxy.

How Black Holes Need Galaxies [NEEDS ASSETS]

Video thumbnail: PBS Space Time The Alchemy of Neutron Star Collisions

PBS Space Time

The Alchemy of Neutron Star Collisions

Many heavy elements were produced in a spectacular event: the collision of neutron stars.

The Alchemy of Neutron Star Collisions

Video thumbnail: PBS Space Time The Cosmic Dark Ages

PBS Space Time

The Cosmic Dark Ages

There was a time before the first star ignited. A time we call the cosmic dark ages.

The Cosmic Dark Ages

Video thumbnail: PBS Space Time Why Quantum Computing Requires Quantum Cryptography

PBS Space Time

Why Quantum Computing Requires Quantum Cryptography

Quantum computing is cool, but you know what would be extra awesome - a quantum internet.

Why Quantum Computing Requires Quantum Cryptography