The Universe As We Know It

The Woman Who Measured the Stars with Glass Plates and Patience

In a Harvard Observatory basement in 1908, a woman earning 30 cents an hour discovered the key to measuring the entire universe. Henrietta Leavitt's discovery of the period-luminosity relationship transformed dim points of light on glass plates into...

Einstein vs. the Quantum: A Century of Physics at War with Itself

They're both right. They both work perfectly. And they absolutely hate each other. Dive into the greatest scientific rivalry that isn't between people—it's between the two most successful theories in physics, each explaining half the universe while...

Seven Cosmic Phenomena We Completely Misunderstood for Centuries

From thinking Venus was two different stars to believing the Sun orbited Earth, humanity's cosmic blunders are as fascinating as our breakthroughs. We're counting down seven of the most epic misunderstandings in astronomical history—cases where even...

The 43 Minutes That Saved Apollo 13

On April 13, 1970, an explosion 200,000 miles from Earth turned a routine moon mission into a desperate fight for survival. We reconstruct the frantic 43 minutes when three astronauts had to abandon their dying command module and squeeze into a lunar...

Fire and Ice: The Death Match Between Red Giants and White Dwarfs

Same starting point, wildly different endings. We pit the cosmic bloat of red giants against the diamond-hard density of white dwarfs to understand why some stars go out with a whimper of expansion while others collapse into eternal compression. It's...

Five Cosmic Accidents That Changed Everything

What if the universe as we know it exists because of a series of lucky breaks? From the precise ratio of matter to antimatter in the first microseconds after the Big Bang, to the asteroid that cleared the way for mammals, we're counting down five...

The Day We Caught a Neutron Star Collision

On August 17, 2017, a ripple in spacetime triggered alarms at observatories across the globe, launching the most coordinated astronomical observation ever attempted. What happened in the next 11 hours would confirm decades of theory, solve the mystery...

Multi-Verse

NOT science fiction

Quantum Mechanics

This is rocket science!

Best of pt2

The Universe As We Know It best of episode!

Best of

The Universe As We Know It best of episode!

Fascinating Universe

It's a big universe!

Super Novae pt2

Super stars!

Other Life pt2

Other Life

What would other life be like?

Other Worldly pt2

Other Worldly

All About Galaxies

Comets pt2

Comets