Skip to main content

Subscribe to Smithsonian magazine and get a FREE tote.

Evolution

Last October, archaeologists discovered the mud dock where the HMS Beagle was dismantled by using specialized drone photography

Evotourism ®

The Final Home of Charles Darwin’s HMS Beagle Gets Protected Status

The naturalist famously conducted the research that led to the “Origin of Species” on board the ship

Male pug-nosed tree frogs confuse predators by overlapping their mating calls with those their neighbors.

New Research

Illusionist Frog Attracts Mates Without Unwanted Attention From Predators

The simultaneous mating calls of the male pug-nosed tree frog confuses bats but not female frogs

An anole lizard holding on to a perch by its toepads during simulated hurricane-force winds.

Hurricanes Make Lizards Evolve Bigger Toe Pads

New study extends previous results limited to just two islands to 188 species of lizard across Caribbean as well as Central and South America

Herbert Spencer introduced the phrase "survival of the fittest" in his 1864 book, Principles of Biology.

The Complicated Legacy of Herbert Spencer, the Man Who Coined ‘Survival of the Fittest’

Spencer’s ideas laid the groundwork for social Darwinism, but scholars say there was much more to the Victorian Age thinker than that

Some rough-skinned newts host bacteria on their skin that produce the neurotoxin tetrodotoxin to keep predators at bay.

New Research

Toxic Newts Use Bacteria to Become Deadly Prey

Scientists discover neurotoxin-producing bacteria living on the skin of rough-skinned newts

Cricosaurus suevicus is an ancient relative of modern crocodiles that spent its life in the ocean.

New Research

Like Dolphins and Whales, Ancient Crocodiles Evolved to Spend Their Time at Sea

Researchers tracked changes in the crocodilian creatures’ inner ears to learn how they moved into the sea

The unique scent of rain may actually be a chemical signal used by bacteria to attract this tiny arthropod, called a springtail.

New Research

How Rain Evolved Its Distinct Scent—and Why Animals and Humans Love It

New research reveals the ancient symbiotic relationship behind geosmin, the chemical compound responsible for the scent of fresh rain

Delicate blossoms might get knocked down, but they get up again.

New Research

How Flowers Marvelously Evolved Resilience

Blossoms contort and twist back into optimal pollination position after getting bumped and battered

Paleontologists crossing the Rio Yurúa in Amazonian Perú, with the Santa Rosa fossil site in the background.

More Than 30 Million Years Ago, Monkeys Rafted Across the Atlantic to South America

Fossil teeth uncovered in Peru reveal that an extinct family of primates, thought to have lived only in Africa, made it across the ocean

A gray whale "spyhopping" off the coast of Alaska. Gray whales migrate over 12,000 miles along North America's west coast.

New Research

How Storms on the Sun Interfere With Whale Migration

The new research gives weight to the hypothesis that gray whales use Earth’s magnetic field to navigate

Most cat allergies are caused by a protein called Fel d 1 that's found in cat saliva and skin glands, and often gets wicked into fur.

What Does a Study of Slow Lorises Actually Say About Cat Allergies?

An unusual theory ultimately warrants skepticism under further research is conducted

Axolotls can regrow lost limbs, again and again, making them appealing to scientists who want to understand regeneration.

Some Salamanders Can Regrow Lost Body Parts. Could Humans One Day Do the Same?

In recent decades, the idea of human regeneration has evolved from an ‘if’ to a ‘when’

The mesmerizing rainbow sheen of jewel beetles Sternocera aequisignata might help camouflage them from predators.

Glitzy Beetles Use Their Sparkle for Camouflage

A new study suggests eye-catching iridescence isn’t just for standing out in a crowd—it can conceal, too

Researchers in India studied whether 160 stray dogs would react to commands like gesturing toward a bowl. This image, taken in 2012, shows street dogs surrounding an Indian tea vendor in Allahabad.

Stray Dogs May Understand Human Signals, Too

A new study has found that strays in India, when presented with two covered food bowls, were more likely to approach the one an experimenter pointed toward

A fossil of Parioscorpio venator, a 437-million-year-old scorpion that resembles modern species.

World’s Oldest Scorpions May Have Moved From Sea to Land 437 Million Years Ago

A pair of pristinely preserved fossils suggest scorpions have looked mostly the same since they first crawled onto land

Cuttlefish are calculating hunters, and need depth perception to efficiently snare their prey.

Scientists Velcroed 3-D Glasses to Cuttlefish to Study Their Depth Perception

The results of the eye-popping study suggest cuttlefish see the world in surprisingly human ways

Iridescent spots found on the dot-underwing moth suggest that even nocturnal insects might rely on visual cues

New Research

How These Nocturnal Moths Sparkle at Night

The nocturnal insect might flash its reflective spots at a potential mate

An artist's illustration of Dendromaia unamakiensis, a 310-million-year old land-dwelling vertebrate that looked a like a modern monitor lizard, pictured here with its offspring

Lizard-Like Fossil May Represent 306-Million-Year-Old Evidence of Animal Parenting

Shortly after transitioning from sea to land, our egg-laying ancestors may have started parenting their young

An aerial view of a fossil of Archaeopteris, a 385-million-year-old tree with surprisingly modern-looking roots.

The World’s Oldest Forest Has 385-Million-Year-Old Tree Roots

A trove of arboreal fossils pushes back the origin of modern forests and sophisticated tree roots

A melanistic Indian leopard in Nagarhole National Park.

Why Are Black Leopards So Rare?

Several species of cat have members with all-black coats, but the evolutionary advantages and disadvantages are just starting to be understood

Page 18 of 48