Unlike the tails of almost all other animals, seahorse tails are more like square prisms than cylinders.

New Research

Why Seahorses Have Square Tails

Engineers show that the animals’ prism-like tails are mechanically superior to cylindrical ones

The U.S. Supreme Court voted 5-4 to legalize marriage equality nationwide on June 26.

Can Science Help People Unlearn Their Unconscious Biases?

Social events, sleep training and even meditation may offer ways for people to erase biases they probably didn’t know they held

From the Italian version of The Great Moon Hoax. Leopoldo Galluzzo, Altre scoverte fatte nella luna dal Sigr. Herschel (Other lunar discoveries from Signor Herschel), Napoli, 1836

Urban Explorations

The Great Moon Hoax Was Simply a Sign of Its Time

Scientific discoveries and faraway voyages inspired fantastic tales—and a new Smithsonian exhibition

For the first time, Florian Engert and his team mapped every firing neuron in a living animal.

How a Transparent Fish May Help Decode the Brain

An outspoken Harvard neuroscientist is tackling the wondrous challenge of understanding the workings of the brain

What Did Insects Evolve From and More Questions From Our Readers

You asked, we answered

A Deep Dive Into the Skeleton of the Oldest-Known Modern Bird

A fossil found in China may offer new clues about avian evolution

Photographer Joseph Michael explored the 30-million-year old limestone caves of New Zealand's North Island, a favored spot for glowworms, to create these dazzling long-exposure shots.

Captivating Long-Exposure Photos of New Zealand’s Glowworm Caves

These new shots show the otherworldly magic created by a carnivorous fungus gnat

14 Fun Facts About Marine Bristle Worms

In honor of the first ever International Polychaete Day, learn about the bristly worms that are everywhere in the ocean

Skin bacteria may have lured in this hungry Aedes aegypti mosquito.

New Research

To Stop Mosquito Bites, Silence Your Skin’s Bacteria

Texas scientists tricked mosquitoes into skipping a blood meal by modifying the way bacteria talk to each other

Water, water, everywhere …

Anthropocene

Here’s How U.S. Groundwater Travels the Globe Via Food

Major aquifers are being drained for agricultural use, which means the water moves around in some surprising ways

The aptly named elegant tern.

Anthropocene

Warming and Overfishing Sent Seabirds Flocking to California

Mexico’s elegant terns have begun nesting farther north in years when their traditional food is scarce

Heart Line or Life Line: Can You Tell?

We all know the heart and life lines are two of the most important measures of palmistry. But can you tell which is which?

This artist's rendering shows New Horizons encountering Pluto and its largest moon, Charon.

Seven Surprises From the First Flybys of Each Planet in the Solar System

As the New Horizons probe approaches Pluto, find out what wonders were uncovered by the first spacecraft to zip past other worlds

This online article is brought to you by fiber optic cables.

New Research

“Combing” Through Light May Give Us Faster, More Powerful Internet

A lab experiment used a device called a frequency comb to send fiber optic data a record-breaking distance with no signal loss

Ask Smithsonian: Why Does Rain Have A Distinctive Smell?

Summertime humidity—and our own memories—help create the conditions for how we perceive the sharp, fresh odor of a rain storm

This 5,300 Year-Old Corpse Was Found by Accident

Hikers Erika and Helmut Simon stumbled upon a frozen body deep in the Ötztal Alps, little did they know it belonged to one of the oldest preserved corpses

A reconstruction of "grandfather turtle."

New Research

This Ancient Creature Shows How the Turtle Got Its Shell

The 240-million-year-old “grandfather turtle” may be part of the evolutionary bridge between lizards and shelled reptiles

Mosasaur

14 Fun Facts About the Animals of “Jurassic World”

While the lead predator of the film might be a genetically modified fiction, these real fossil species were just as amazing and bizarre

People Get Seasonal Depression in the Summer, Too

Millions suffer from SAD in summer as well as winter, and evidence hints that birth season plays a role in who develops the disorder

Allis Markham puts the finishing touches to her entries at the World Taxidermy & Fish Carving Championships in Springfield, Missouri, on May 6.

Why Taxidermy Is Being Revived for the 21st Century

A new generation of young practitioners is leading a resurgence in this centuries-old craft

Page 208 of 456