This softshell turtle was one of the last of her kind. Her species might die with her.

Israeli scientists ‘print’ world’s first 3D heart with human tissue

The cities that need a warning label?

Fukushima: removal of nuclear fuel rods from damaged reactor building begins

Why Europeans Don’t Get Huge Medical Bills

The unsuccessful history of product placement in books, from Bulgari to Sweet’N Low

Guantánamo’s Darkest Secret

The discrete-time physics hiding inside our continuous-time world

Neolithic dog reveals tales behind Orkney’s monuments

Does Empathy Have A Dark Side?

Physicists Have Found an Entirely New Type of Superconductivity

Video: How the 60-Year-Old IRS Computer System Failed on Tax Day

Documents: CIA knew of secret Latin assassin unit

A Remarkable Rail Journey Into the Horn of Africa’s Past, and Future

Dissecting brains to find the biological answers to the mysteries of mental disorders

Stunning pictures show inside of 4,000-year-old ancient Egyptian tomb

Murder on the allotment: ‘She was everything that he wanted to be’

Somalia’s Hand Painted Storefronts

He Stole the Gutenberg Bible, Then Became Porn’s Weirdest Star

It’s Warm and Stealthy, and It Killed Yellowstone Trees and Turned Soil Pale

The way we taste food changes as we age

This animal has the biggest ears on Earth (relative to size)

Behind the Scenes of the First Black Hole Photo

How anchoring a ship to an ice floe will help fight climate change

Doctors Use Electrical Implant to Aid Brain-Damaged Woman

Possible 2nd Planet Spotted Around Proxima Centauri

Scott Kelly Spent a Year Taking Photos in Space. They’re Beautiful.

NASA Invites You to ‘Picture Earth’ for Earth Day

This British Orchid Is Under Guard in a Secret Location

My Dad and the Cold War

How Big Business Is Hedging Against the Apocalypse

Stratolaunch Flies World’s Largest Plane for the First Time

Behind the Buzz: How Ketamine Changes the Depressed Patient’s Brain

A new graphene foam stays squishy at the coldest temperatures

Reassessing California’s Overdue Earthquake Tab

NASA twins study finds no red flags for long-term space travel

How a Professional Gambler Broke Jeopardy!

10 Things You Should Know About Planetary Defense

The Weirdly Ornate Jars Designed Just for Precious Leeches

A Horse’s-Eye View of the Civil War

Step inside the hometown of the first human in space

Reconstructed Heath Robinson, precursor to the Colossus computer, unveiled

6 of history’s strangest ever theories about outer space

SpaceX lands all three Falcon Heavy rocket boosters for the first time ever

Football-Size ‘Bugs’ Feast on an Alligator in This Creepy Deep-Sea Video

The Weaponization Of The Electromagnetic Spectrum

Human Drugs Are Polluting the Water—And Animals Are Swimming in It

‘Mindreading’ neurons simulate decisions of social partners

Unique oil eating bacteria found in world’s deepest ocean trench

After a $14 Billion Upgrade, New Orleans’ Levees Are Sinking

Israel’s Beresheet Probe Crashes on the Moon

Scott Kelly Spent a Year in Orbit. His Body Is Not Quite the Same.

The Day They Nuked Mississippi (1964)

Can atmospheric chemists rescue the stalled quest for a human pheromone?

Researchers observe formation of a magnetar 6.5 billion light years away

Curiosity Tastes First Sample in ‘Clay-Bearing Unit’

Gallery: From Earthrise to the black hole: astronomy’s most famous images

‘Exquisitely Preserved’ Skin Impressions Found in Dinosaur Footprints

The Legend of Jacinto’s Gold: How Family Lore Sent Thousands of Dominicans on a Hunt for Riches

A Photo Visit to Mount Fanjing