DNA

Two dogs walk around the abandoned city of Pripyat, Ukraine, in 2022, near the site of the 1986 Chernobyl nuclear disaster.

Why Scientists Are Studying the Stray Dogs Living at Chernobyl

A new study is a first step toward understanding how radiation exposure might affect DNA

The Malalmuerzo Cave in southern Spain, where archaeologists uncovered the fossilized teeth of an ancient hunter-gatherer.

Ancient DNA Sheds Light on Europe's Hunter-Gatherers

Researchers looked at the genomes of several hundred people who lived before, during and after the last ice age

Baofeng Su, a fish genetics researcher at Auburn University, is part of a team of scientists studying the effectiveness of injecting alligator genes into farm-raised catfish.

Scientists Are Injecting Alligator Genes Into Catfish

The technique could help prevent infections in the millions of pounds of farmed catfish raised for human consumption

The Porcupine River in Alaska

DNA Reveals Identity of Skull Found in Alaska in 1997

The remains belonged to a New York man who went missing during a hunting trip nearly 50 years ago

The dodo, now extinct, weighed about 50 pounds, had blue and grey feathers and couldn't fly.

This Company Wants to Bring the Dodo Back From Extinction

Colossal Biosciences plans to de-extinct the dodo, but some scientists question whether it’s ethical—or even plausible

Pueblo Bonito, a massive stone great house in Chaco Canyon in New Mexico

How Should Scientists Navigate the Ethics of Ancient Human DNA Research?

Paleogenomic research has expanded rapidly over the past two decades, igniting heated debate about studying remains

Red junglefowl, ancestors of wild chickens, are known to mix with domestic birds.

Why Chickens Need to Stop Breeding With Their Wild Cousins

The red junglefowl is losing important genetic diversity in its native Asian habitat

An Anolis cristatellus lizard in Puerto Rico.

Genetic Mutations Could Help Lizards Survive City Life

Urban Puerto Rican crested anoles show genetic changes related to immune function, metabolism and limb and skin development

A grave with bones that were analyzed

Ancient DNA Charts Native Americans’ Journeys to Asia Thousands of Years Ago

Analysis of ten Eurasian individuals, up to 7,500 years old, gives a new picture of movement across continents

An old Viking ship under the Northern Lights in Iceland

Ancient DNA Reveals a Genetic History of the Viking Age

Nearly 300 ancient genomes shed light on how people migrated and genes flowed in Scandinavia

None

The Ten Most Significant Science Stories of 2022

From Omicron’s spread to a revelation made using ancient DNA, these were the biggest moments of the past year

A team led by Laurits Skov and Benjamin Peter from the Max Planck Institute for Evolutionary Anthropology sequenced nuclear, mitochondrial and Y-chromosome DNA of 13 Neanderthal individuals. From these sequences, they determined that two of the Neanderthals represent a father-daughter pair and that another two are cousins.

Fourteen Discoveries Made About Human Evolution in 2022

Smithsonian paleoanthropologists reveal the year’s most riveting findings about our close relatives and ancestors

A replica of a Denisovan finger bone fragment. Now extinct, Denisovans were an ancient species of human that mated with ancestors of modern humans.

Denisovan DNA May Have Shaped Immune Systems in Papua New Guinea

The inherited genetic mutations might provide an advantage in fighting diseases

2 million years ago, Greenland was roughly 20 to 30 degrees Fahrenheit warmer than it is today. 

New 'Astounding' Analysis Argues That Greenland Used to Be a Lush, Diverse Ecosystem

Scientists found evidence of over 100 types of plants and animals that lived in the northern part of the island around two million years ago

Workers converting a 15th-century granary (large brown building pictured) into a parking garage in Erfurt, Germany, uncovered graves from a medieval Jewish cemetery.

How Construction of a Parking Lot Uncovered New Insights About Medieval Jews

A new DNA study suggests Ashkenazi Jews living in 14th-century Germany were surprisingly genetically diverse

The monkey's skeletal remains

1,700-Year-Old Monkey Skeleton Suggests Diplomatic Ties Between Mesoamerican Powers

Researchers believe the Maya gave the sacrificial female spider monkey to Teotihuacán as a gift years before relations soured

Scientists are testing this 15th-century letter for chemical traces of its author, Vlad Dracula, Transylvanian ruler and inspiration for the fictional count.

Document Detectives Use Smudges and Bloodstains to Investigate the Past

Proteins left behind on historic artifacts are revealing centuries-old secrets

The final facial reconstruction depicting John Barber, 55

Scientists Reconstruct Face of 19th-Century Man Accused of Being a Vampire

He was a victim of tuberculosis—and a target of the vampire panic that swept through New England

A cannibalized face dated to the 15th century B.C.E. The remains were found in Gough's Cave, the same site as some of the remains analyzed in the new study. 

Prehistoric DNA Reveals Two Groups Migrated to the U.K. After the Last Ice Age

The bones of two individuals found in caves helped scientists determine their ancestry

An image captured by a scanning electron microscope of Yersinia pestis bacteria, which causes the bubonic plague. 

Medieval Skeletons Reveal How the Bubonic Plague Influenced Human DNA

Genes passed down by survivors fended off the Black Death, but they now increase the risk of immune disorders

Page 3 of 19