Evolution

Little penguins are the only penguins now found in Australia.

Australia Used to be a Haven for Giant Penguins

A single species, the little penguin, is left on Aussie shores today

Why Do Humans Have Canine Teeth and More Questions From Our Readers

You asked, we answered

Foraging red knots in Mauritania

When the Arctic Gets Warmer, It Also Affects a Tropical Ecosystem Thousands of Miles Away

As spring arrives earlier in far northern Russia, red knots get smaller—and have trouble in their African winter homes

The Oldest Species May Win in the Race to Survive Climate Change

It's survival of the fittest, and the oldest may be the fittest, new study says

Black widows’ red hourglass tells birds to back off but is almost invisible to insects.

The Deadly Cunning of the Black Widow's Color Scheme

Why did the spider evolve to have that crimson hourglass on its back?

Human Diseases May Have Doomed the Neanderthals

Stomach ulcers, herpes, ringworm and other tropical diseases may have all contributed to the Neanderthal demise

The remnants of a supernova.

Radioactive Isotopes in The Oceans May Be Remnants of Ancient Supernovae

Cosmic dust may have altered life on Earth as we know it

"Missing Link" Cave Fish Walks Like a Salamander

A fish that wiggles up waterfalls may help researchers understand how life shifted from water to land

This Tube is full of mosquitoes.

The London Underground Has Its Own Mosquito Subspecies

Take a bite out of this strange evolutionary example

What a Tiny Fish Can Tell Us About How Humans Stood Upright

What is the root of why our ancestors gained the power to walk on two feet and chimpanzees didn't?

Local actors Judy Barth, Ruth Ochsenrider and Jim Barth peer over photos of original Scopes Trial jurors during the annual Scopes Trial Festival in Dayton, Tennessee.

How Much Has the Town Where the Scopes Trial Took Place Evolved Since the 1920s?

Each July, Dayton, Tennessee, celebrates its role in the famous court case with a re-enactment and festival

The Ichthyornis is a toothed bird that links birds with reptiles.

The "Sistine Chapel of Evolution" Is in New Haven, Connecticut

Charles Darwin never visited the Yale museum, but you can, and see for yourself the specimens that he praised as the best evidence for his theory

When Dinosaurs Roamed the (Not Yet) Petrified Forest

Recent surprise discoveries at the national park have prompted a complete rethinking about the creatures of the Jurassic Era

The fossil skull of the human ancestor Australopithecus africanus, which had more robust teeth and jaws than modern humans.

A Taste for Raw Meat May Have Helped Shape Human Evolution

Stone tools might have let our ancestors more easily chew and digest meat, which in turn may have changed our teeth and jaws

Say hello to your little friends.

Virus Genes in Human DNA May, Surprisingly, Help Us Fight Infections

Bits of ancient viral invaders woven into the human genome seem to boost our immune system

An image of the fossilized lacewing Oregramma illecebrosa, left, and the modern owl butterfly Calico Memnon, right.

Jurassic-Era Insect Looks Just Like a Modern Butterfly

Jurassic "butterflies" helped pollinate ancient plants millions of years before the butterfly even existed

A Chin-Stroking Mystery: Why Are Humans the Only Animals With Chins?

It's an evolutionary conundrum, and scientists are still divided over the answer

Those distinctive stripes might not be camouflage after all.

Zebra Stripes Might Not Be Camouflage

The animals’ distinctive appearance is still a beautiful mystery

Scientists Rediscover a Tree Frog Thought to Be Extinct for Over a Century

Last seen in 1870, Jerdon’s tree frog is alive and (mostly) well in India

New research shows that magical tales have an even longer history than previously suspected.

Fairy Tales Could Be Older Than You Ever Imagined

Jack may have been climbing that beanstalk for more than 5,000 years

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