A Late Neolithic skull. For the recent study, scientists extracted DNA from skulls and teeth to look for traces of diseases.

With Ancient DNA, Scientists Have Mapped 37,000 Years of Disease Across Europe and Asia

Zoonoses—diseases that spread from animals to humans—began to gain prevalence some 6,500 years ago with the rise of animal husbandry, a new study suggests

Scientists sequenced ancient proteins in a tooth from a prehistoric rhino relative that had been preserved in Canada's High Arctic for up to 24 million years.

Scientists Recover Ancient Proteins From Animal Teeth Up to 24 Million Years Old, Opening Doors to Learning About the Past

Two new papers analyze fossils found in Canada and Kenya, respectively—vastly different environments for the preservation of genetic material

Greenlandic sled dogs, also known as Qimmit, play while resting.

Greenland Sled Dog DNA Reveals a Story of Human Migration and Ancestry of the Unique Breed

Researchers analyzed ancient and modern genetic samples of the Greenlandic Qimmit breed to shed light on the long relationship between the Inuit and their dogs in the Arctic

For the first time ever, the genome of a knotty sea spider was sequenced in high resolution.

These ‘Weird’ Sea Spiders Don’t Have Abdomens—and Instead Store Organs in Their Legs. With DNA, Scientists Are Learning Why

Researchers sequenced the knotty sea spider’s genome for the first time, revealing a missing gene that many other animals have

Scientists are investigating the production of ancestral alkaloids by tomatoes in the Galápagos Islands.

Something Strange Is Happening to Tomatoes Growing on the Galápagos Islands

Scientists say wild tomato plants on the archipelago’s western islands are experiencing “reverse evolution” and reverting back to ancestral traits

A facial reconstruction using a 3D scan of the skull

New Research

Scientists Have Sequenced an Ancient Egyptian Skeleton’s Entire Genome for the Very First Time. Here’s What They Found

Dating back more than 4,500 years, the skeleton belonged to a middle-aged man who may have worked as a potter and likely descended from ancestors in North Africa and Mesopotamia

A catch of Baltic Sea cod in 1987 shows fish that grew more than three feet long, with Finnish fisheries biologist Eero Kalevi Aro.

These Cod Have Been Shrinking Dramatically for Decades. Now, Scientists Say They’ve Solved the Mystery

Eastern Baltic cod grow to much smaller sizes than they did just 30 years ago, because overfishing altered their genes, according to new research

Scientists and artists collaborated to reconstruct the face of a 10,500-year-old woman whose remains were found in the Meuse Valley of Belgium.

See the Face of a 10,500-Year-Old Woman, Reconstructed by Archaeologists and Artists

Using well-preserved ancient DNA, researchers have created a life-like facial reconstruction of a woman who lived in Belgium’s Meuse Valley during the Mesolithic period

These skeletons of two hunter-gatherer individuals excavated at the Checua archaeological site north of Bogotá, Colombia, helped uncover the genetic details of a mysterious population.

Ancient DNA Reveals Mysterious New Group of Humans in Colombia With No Genetic Ties to People Today

The previously undocumented lineage of hunter-gatherers seems to have disappeared around 2,000 years ago

This skull of a 1.8-million-year-old Paranthropus robustus individual was unearthed in South Africa, but it was not one of the fossils included in the study.

Scientists Investigate 2.2-Million-Year-Old Tooth Enamel to Unravel the Mysteries of Ancient Human Relatives

By studying proteins preserved in teeth, researchers determined the sex of four Paranthropus robustus individuals that lived in southern Africa

A group of female South Korean free divers on Jeju Island, known as the Haenyeo, exit the water after catching marine snails in November 2015.

South Korea’s Female Free Divers May Have Evolved to Thrive Underwater, Study Finds

The Haenyeo, a group of skilled divers on Jeju Island, plunge beneath the ocean’s surface without any breathing equipment, thanks to a combination of their training and genetics

Researchers have used genomic sequencing to trace what they’re calling the “longest migration out of Africa.”

New Research

Scientists Use DNA to Trace Early Humans’ Footsteps From Asia to South America

Over thousands of years, humans from Eurasia trekked more than 12,400 miles to eventually reach the southernmost tip of South America, a new genetic investigation suggests

Scientists raced to develop a specialized treatment for KJ Muldoon. 

In a Remarkable First, a Baby With a Rare Disease Receives Personalized Gene Therapy

Researchers say the CRISPR-based technique used could eventually be employed to treat more people with rare genetic diseases

The healthy adult female was covered in curvy circles, similar to leopard spots.

This Eye-Catching Rattlesnake Found in Arizona Has Unusual ‘Leopard Spots,’ Likely From a Genetic Mutation

Snake wranglers safely relocated the healthy, female western diamondback from a backyard in Scottsdale, but they say the find is a first in their experience

The female elk was spotted grazing and lounging around Estes Park, Colorado.

‘1 Out of Every 100,000’: This Rare Piebald Elk Is Turning Heads in Colorado With Her Unusually Splotchy Fur

The female ungulate has white patches on her face and body, likely because of an uncommon genetic condition that affects pigmentation

Pueblo Bonito is one of the largest "great houses" constructed by the Chacoan people at Chaco Canyon.

New Research

DNA Links Modern Picuris Pueblo Tribe to Ancestors Who Lived in Chaco Canyon Hundreds of Years Ago

Tribal leaders partnered with scientists to confirm their connection to the archaeological site in New Mexico

A researcher swabs a frog. 

Scientists in Australia Mapped the Genome of an Endangered Frog Species in an Effort to Save It

A deadly fungus threatens the southern corroboree frog, which needs a lot of help to survive

The ancient people of Carthage, located in modern Tunisia, did not have ancestry in common with the Levantine Phoenicians that established their culture, according to a new study.

Carthaginians, Ancient Rome’s Infamous Enemies, Are Not Exactly Who Scholars Thought They Were, Ancestry Study Suggests

DNA reveals that the people of Carthage, a powerful independent colony founded by the Phoenicians, had little genetic similarity to their counterparts in the Levant

Blood type, metabolism, exercise, shirt color and even drinking beer can make individuals especially delicious to mosquitoes.

Ask Smithsonian

Why Do Mosquitos Bite Some People More Than Others? Your Blood Type, Sweat Contents and Even Alcohol Consumption May Make You More Attractive to the Pesky Insects

Scientists are working hard to discover the factors that drive the blood-sucking insects to target certain individuals

An artist's impression of the Late Cretaceous crocodilian Deinosuchus riograndensis and a much smaller, early alligator relative.

The Ancient ‘Terror Crocodiles’ of North America Weren’t Alligators After All, DNA and Fossils Suggest

A new study indicates the giant reptile Deinosuchus is not a close relative of modern alligators, as scientists previously thought, and it might have thrived by tolerating saltwater

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