Skip to main content

Up Next

Can You Observe a Typical Universe?

Can You Observe a Typical Universe?

Season 5 Episode 40
13:36
Is The Universe Finite?

Is The Universe Finite?

Season 5 Episode 41
12:25
The Doomsday Argument

The Doomsday Argument

Season 5 Episode 42
12:50
Do Black Holes Create New Universes?

Do Black Holes Create New Universes?

Season 5 Episode 43
12:24
How To Detect a Neutrino

How To Detect a Neutrino

Season 5 Episode 44
9:54
How To Capture Black Holes

How To Capture Black Holes

Season 5 Episode 45
12:02
What if Singularities DO NOT Exist?

What if Singularities DO NOT Exist?

Season 10 Episode 1
14:44
What Happens If We Nuke Space?

What Happens If We Nuke Space?

Season 10 Episode 2
15:13
How Eclipses Revealed Our Solar System

How Eclipses Revealed Our Solar System

Season 10 Episode 6
15:07
Back to Show
PBS Space Time

Does Life Need a Multiverse to Exist?

Season 5 Episode 39

Life exists in our universe. There we go - one hopefully uncontroversial statement. Therefore our universe is capable of producing and supporting life. How am I going? Two for two? Let’s try for three: therefore there are countless universes. Hmmm. Did I break my streak?

Support Provided By
Season
We’ve Been Looking for Aliens for 70 Years. We've Been Doing It Wrong All Along
20:48
Are there no alien signals to find... or do we need to update how we search for them?
We Thought Black Holes Ended in Singularities. They Might End In a Frozen Big Bang
14:27
Physicists hope Planck stars can save us from black hole singularities and paradoxes.
We Found Galaxies Too Old for the Universe
17:41
Galaxies older than the universe? Webb's findings keep defying our best explanations.
Earth’s Core Should Be Impossible. A New State of Matter Explains It.
16:16
Earth's core: solid or liquid? Yes — we know more about distant galaxies than our own interior.
Something Disturbing Happens When You Solve Einstein's Equations This Way
14:42
Gödel found a time-travel solution in General Relativity, revealing spacetime can loop on itself.
Martian Soil Is Deadly. And That's Why It Might Support Life
18:46
Tardigrades can survive almost anything—even most of Mars. But one Martian chemical stops even them.
Is the LHC Creating Dark Matter?
18:18
The Higgs boson may open a portal to hidden particles that could explain dark matter.
Dark Energy Is Driving the Universe Apart. We May Finally Know Why.
19:02
The universe expands faster. “Dark energy” may not be constant after all.
Our Only Chance To Finally Unlock The Gravity Particle
16:26
There’s a new generation of experiments that may unlock the gravity particle.
The Particle We’ve Been Chasing for 30 Years Might Not Exist
18:33
The universe thrums with quantum fields, except something may be missing: the sterile neutrino.
The Universe Itself Might Be Hiding the Gravity Particle From Us
18:42
Gravitons, the particle of quantum gravity, may be impossible to detect.
Heisenberg Made a Discovery in 1925. We Still Can't Explain It
25:02
2025 was the international year of quantum science, but today we examine its origins.
Active loading indicator