Evolution

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

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

CT scan of a newborn panda cub.

Panda Bears Have Teeny Tiny Babies, and We Don't Know Why

Panda moms are 900 times bigger than their cubs and a new study disputes the theory it's related to hibernation

No need to flee for this nasty little critter.

Some Moths Taste So Bad That They Don't Bother Fleeing From Bats

A new study offers an explanation as to why some moth species fly erratically in the face of danger, while others do not

Humpback whales being tagged by researchers off the coast of Antarctica in 2018. The data gathered revealed that diet largely dictates a whales' maximum size.

Whales Are the Biggest Animals to Ever Exist—Why Aren't They Bigger?

New research highlights the role diet plays in dictating a cetacean’s size

A human skull on display with earlier ancestor skulls and a picture of a Neanderthal man at the Museum of Natural History of Toulouse.

Human Ancestors May Have Evolved the Physical Ability to Speak More Than 25 Million Years Ago

Though when primates developed the cognitive abilities for language remains a mystery

Short-finned pilot whale, Globicephala macrorhynchus, underwater off Isla San Marcos, Baja California Sur, Mexico.

Ancient Whale Fossil Helps Detail How the Mammals Took From Land to Sea

A 39-million-year-old whale with floppy feet, which may not have been very good for walking, helps illuminate the massive animals' transition to the oceans

The Ten Best Science Books of 2019

New titles explore the workings of the human body, the lives of animals big and small, the past and future of planet earth and how it's all connected

Artist‘s reconstruction of Mesophthirus engeli of elder development stage feeding on the dinosaur feathers from mid-Cretaceous amber.

Lice-Filled Dinosaur Feathers Found Trapped in 100-Million-Year-Old Amber

Prehistoric insects that resemble modern lice infested animals as early as the mid-Cretaceous, living and evolving along with dinosaurs and early birds

Bocydium globulare, a treehopper with an unusual, helicopter-like helmet.

Treehoppers’ Bizarre, Wondrous Helmets Use Wing Genes to Grow

The elaborate structures, which are not actually wings, can resemble thorns, leaves, ants and more

An image from Birds of America by John James Audubon depicting the Great Auk.

Humans May Be Solely to Blame for the Great Auk’s Extinction

A new study suggests that the flightless birds were not declining due to environmental changes when humans began to hunt them in large numbers

Researchers Measure a Wild Blue Whale's Heart Rate for the First Time

The team found the world's largest mammal pushes its heart to its limits

Thanks to the ubiquity of electric light, less and less of the planet falls genuinely into darkness any more.

How Cities and Lights Drive the Evolution of Life

Urbanization and the spread of artificial light are transforming all of earth's species, bringing about a host of unintended consequences

Heliconius charithonia is one of the species of butterflies whose wing patterns scientists scrutinized to better understand the evolutionary process. This butterfly is wild-type; the genetically edited H. charithonia wings have wider swathes of yellow.

What Butterflies' Colorful Wing Patterns Can Teach Us About Evolution

Smithsonian scientists used genetically-engineered butterflies to learn that evolution can take a different path to achieve the same thing

Scientists Now Know Where the Largest Ape to Ever Exist Sits in Primate Family Tree

Proteins from a 1.9 million-year-old molar show that the 10-foot-tall 'Gigantopithecus' is a distant relative to modern orangutans

Life restoration of Fukuipteryx prima.

Newly Discovered Fossil Bird Fills in Gap Between Dinosaurs and Modern Fliers

A skeleton from the Cretaceous found in Japan reveals an early bird with a tail nub resembling the avians of today

Page 12 of 42