Will the Public Ever Get to See the “Dueling Dinosaurs”?
America’s most spectacular fossil, found by a plucky Montana rancher, is locked up in a secret storage room. Why?
How Humans Helped Ants Invade the World
Waves of globalization brought these warriors to new shores, where certain species spread like wildfire
The Science Behind the “Abortion Pill”
Legal or not, more American women are opting for abortion by medication. We asked doctors: How safe is it?
Cave Dragons Exist—And Saving Them Could Be Key to Protecting Drinking Water
New DNA techniques are letting researchers track down the largest, strangest cave animals in the world
How Moonlight Sets Nature’s Rhythms
Lunar luster triggers mating orgies, guides travelers and even can even provoke magical transformations
Two Smithsonian Scientists Retrace the Mysterious Circumstances of an 1866 Death and Change History
Did the 19th-century naturalist Robert Kennicott die of his own hand?
The Great Uprising: How a Powder Revolutionized Baking
Before baking powder hit the scene in 1856, making cake was not a piece of cake
Need to Fix a Heart Attack? Try Photosynthesis
Injecting plant-like creatures into a rat’s heart can jumpstart the recovery process, study finds
How Cats Conquered the World
Scientists use 9,000 years of feline genetics to chart their global rise to power
The Unheralded Contributions of Klara Dan von Neumann
Despite having no formal mathematical training, she was a key figure in creating the computer that would later launch modern weather prediction
Why These Vegetarian Monkeys Have Sharp Predator Teeth
In the Ethiopian highlands, native Geladas have impressive canines despite being grass eaters. The reason is simple: The males need to defend themselves
From Medical Pariah to Feminist Icon: The Story of the IUD
After decades of being shunned by women and doctors alike, this T-shaped device is enjoying a new surge of popularity
Why Spider Monkeys Only Have Four Fingers
Unlike virtually every other primate, spider monkeys have no thumbs, which could snag on the branches
Telling the Story of 19th-Century Native American Treasures Through Bird Feathers
Famed explorer John Wesley Powell’s archive of his 19th century travels is newly examined
What Happens to Fiction When Our Worst Climate Nightmares Start Coming True?
Movies, books and poetry have made predictions about a future that could be rapidly approaching
Ancient DNA Could Unravel the Mystery of Prehistoric European Migration
New research pinpoints the geographic origins of ancient Eurasians, showing how the continent’s population changed
You Are What You Eat, And What You Eat Is Millions of Microbes
Now that they’ve tallied up American feces, researchers are turning to the other half of the microbial equation: food
This Human Feature Gives Squirrel Monkeys Their Precise Grip
Squirrel monkeys find it easy to leap fearlessly from one distant branch to another, some over 130 feet high. Their secret? Human-like fingerprints
When We Go to Mars, Will We Have a Real-Life HAL 9000 With Us?
How generations of NASA scientists were inspired by an evil Hollywood supercomputer
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