Gallery: The tiny village hidden inside the Grand Canyon

Are Hospitals Becoming Obsolete?

Fire Escapes Are Evocative, But Mostly Useless

Forensic Architecture: detail behind the devilry

Scientists Aim To Pull Peer Review Out Of The 17th Century

Inside the CIA’s Plot to Kill Fidel Castro—With Mafia Help

Ancient DNA rules out archeologists’ best bet for horse domestication

These monkeys attract females with their unusually large and floppy noses

China Moves to Let Xi Stay in Power by Abolishing Term Limit

Toxic toad invasion puts ecology of Madagascar at risk

The shadow over Egypt

The bender that began America: Bar tab shows framers celebrated a newly finished U.S. Constitution and a future president

On this day in 1942 Coast Guard anti-aircraft guns in Los Angeles fired upon something. Or nothing.

Why Is There So Much Hate for the Word “Moist”?

Norway to spend $13 million to upgrade ‘doomsday’ Arctic seed vault

AI trained to spot heart disease risks using retina scan

New U of T research shows siblings can make you more empathic

On this day in 1985, the Soviet Union executed KGB agent Vladimir Vetrov for cooperating with the CIA

Fragments of Famed ‘UFO’ Discovered in Archives of London Museum

Lichens are complex and beautiful organisms

Inside the OED: can the world’s biggest dictionary survive the internet?

‘M*A*S*H’ Finale, 35 Years Later: Untold Stories of One of TV’s Most Important Shows

How footprints found in Greece could rewrite history of humanity

America’s Most Toxic Town Is Not Where You Think

Robot snake harnesses ancient Japanese paper craft

‘The story of a weird world I was warned never to tell’

This Giant Clock Will Tick for 10,000 Years, But You’ll Never Find It

Neanderthals, the World’s First Misunderstood Artists

The Shape of Ancient Dice Suggests Shifting Beliefs in Fate and Chance

Are IV Bags Necessary to Rehydrate Patients?

Some black holes erase your past: Einstein’s equations allow a non-determinist future inside some black holes

World’s most powerful X-ray laser taking shape near Stanford

Some of the World’s Biggest Lakes Are Drying Up. Here’s Why.

65 years ago today Robert Johnson was driven out of Berlin

The battle between the beef industry and Silicon Valley’s lab-grown meat startups is heating up

Native to Asia, Found in New Jersey: The Curious Case of an Invasive Tick

The ancient population of Britain was almost completely replaced by newcomers about 4,500 years ago

Physicists Plan Antimatter’s First Outing–in a Van

A self-taught astronomer spotted something no scientist had ever seen

This Is the Worst Roommate Story You’ll Ever Read

George Washington’s hair found tucked in old book in New York library

Laser scanning reveals ‘lost’ ancient Mexican city ‘had as many buildings as Manhattan’

There’s a Persistent Hum in This Canadian City, and No One Knows Why

NASA Wants Nuclear Engines to Fly Humans to Mars

Homo erectus may have been a sailor – and able to speak

A Fatal Disease Is Ravaging America’s Bats, and Scientists Are Struggling to Stop It

The Amazing Story of the Russian Defector Who Changed his Mind

Supplements are a $30 billion racket—here’s what experts actually recommend

Mystery of 8,000-Year-Old Impaled Human Heads Has Researchers Stumped (autoplay video)

Finding a Lost Strain of Rice, and Clues to Slave Cooking

Jupiter’s Great Red Spot may have only 10 to 20 years left before it dies

‘An Endless War’: Why 4 U.S. Soldiers Died in a Remote African Desert

Was there ever really a “sugar conspiracy”?

What’s Behind One of the Biggest Financial Scams in History

NASA’s New Spacesuit Has a Built-In Toilet

How can I become a fossil?

Women better represented in Victorian novels than modern, finds study

China’s Dystopian Tech Could Be Contagious

Scientists unravel secrets of ‘superagers’

The secret on the ocean floor