On this day in 1980, a shallow freshwater lake was accidentally converted to a deep saltwater lake

Why you age slower on a plane (and other incredibly strange effects of relativity)

Don Walsh: The man who made the deepest ever dive

The School Shooting That Austin Forgot

Mathematicians Have Found The Ninth Dedekind Number, After 32 Years of Searching

‘Lost City’ Deep in The Ocean Is Unlike Anything We’ve Ever Seen Before on Earth

When we see what others do, our brain sees not what we see, but what we expect

Union Pacific Fired Him Rather Than Heed His Warnings of Dangerous Rail Conditions

Hedge Fund Tycoon Anthony Clake Doubles as World’s Top Deep-Sea Treasure Hunter

Cryptographers Solve Decades-Old Privacy Problem

For The First Time, an Eerie Green Glow Has Been Detected in The Night Sky of Mars

AppHarvest promised Kentucky green jobs. It delivered ‘hell on earth.’

Video: Half-Life: 25th Anniversary Documentary [1:05:05]

This week: Typhoid Mary, Newton’s cure for the plague, the death of dengue, and more!

New Device Can Keep Brain Alive for Hours Without Body

How mathematics built the modern world

Scientists Have Been Freezing Corals for Decades. Now They’re Learning How to Wake Them Up

Video: ‘Why I spent 3 years working on a coat hanger’ [4:51]

Rocket that slammed into the moon last year ID’ed as Chinese vehicle

Extreme Drop in Oxygen Will One Day Suffocate Most Life on Earth

The Astonishing Behavior of Recursive Sequences

A love letter to timekeeping: How clocks have shaped our world

Inside the $1.5-Trillion Nuclear Weapons Program You’ve Never Heard Of

The Hunt for Life in Alpha Centauri

‘Astounding’: Alabama woman with two uteruses is pregnant in both wombs

Simple Formula Makes Prime Numbers Easy, but a Million-Dollar Mystery Remains

See What Your Brain Does When You Look at Art

So Thieves Nabbed Your Catalytic Converter. Here’s Where It Ended Up.

What If Money Expired?

Video: What The Longest-Running Study on Happiness Reveals [23:25]

America’s National Parks in the Quiet of the Pandemic

Video: The Last Gunners: For 75 years, snowy mornings at Alta Ski Area were ruptured by the reverberation of heavy artillery [7:17]

A lull in Russian bombing has let Kyiv residents rediscover the joys of a good night’s sleep

On this day in 1974, NASA used the Arecibo radio telescope to blast a message to globular star cluster M13

Magnets, How Do They Work? On the Magic of Magnetic Force

How Cabinets of Curiosities Laid the Foundation for Modern Museums

‘I’m An Insurance Adjuster And I’m Going To Total Your Car (And Hate Doing It)’

Hubble measures the size of the nearest Earth-sized exoplanet

From toy to tool: DALL-E 3 is a wake-up call for visual artists—and the rest of us

Scientists find new way to supercharge lasers by a million times

These Cells Spark Electricity in the Brain. They’re Not Neurons

Nitrogen wars: the Dutch farmers’ revolt that turned a nation upside-down

Scientists Invented a Synthetic Inner Ear So People Won’t Get Lost in Space

People think white AI-generated faces are more real than actual photos, study says

Millions of adults could be wrongly diagnosed with high blood pressure

The Shocking Sex Lives of Electric Eels in Brazil

Why the Godfather of A.I. Fears What He’s Built

The Mirai Confessions: Three Young Hackers Who Built a Web-Killing Monster Finally Tell Their Story

Video: How to Win an Interstellar War [12:42]

World-first automatic safety system lands a helicopter without power

How Black Holes Consume Entropy

Robot Hand With Working Tendons Printed in One Go

Fossils Are Shaped by People. Does That Matter?

Magicians less prone to mental illness – study

This dead star is bursting back to life

Is it possible to really understand someone else’s mind?

Time-Traveling Tremors: Some of Today’s Earthquakes May Be Aftershocks From the 1800s

James Webb Space Telescope reveals sandy surprise in distant exoplanet

‘Bouncing’ comets may be able to spread life throughout the universe

She lived in a New York hotel for more than 40 years. But her life was a mystery