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Genetics

Genetic tests reveal that the Shark Bay mouse (pictured) from Shark Bay, Western Australia, is actually a living population of Gould's mouse, which had been thought to be extinct for more than a century.

New Research

Australian Mouse Presumed Extinct for More Than a Century Found Alive on Island

The living Shark Bay mouse turned out to be genetically identical to the formerly extinct Gould’s mouse

CRISPR allows scientists to cut and insert small slices of DNA with precision, illustrated here.

Innovation for Good: Game Changers

Early Study Shows Promise of CRISPR Injection to Treat Rare Disease

Three people who received a high dose of the gene editing tool in a clinical study saw significant improvement in their condition

A Chinese mountain cat photographed in a field of grass.

New Research

Elusive Chinese Mountain Cats Aren’t Domestic Cats’ Ancestors

Past genetic studies on feline domestication hadn’t included this wildcat native to the Tibetan Plateau

Out of the 900 baby lizards created by breeding Mr. Frosty (pictured above) with various other leopard geckos, 80 percent developed tumors before they were five years old.

Innovation for Good: Game Changers

This Gecko Named Mr. Frosty and His 900 Babies May Inspire Human Skin Cancer Treatments

A genetic mutation linked to melanoma in humans gives the lizards their lemony-hue—and triggers tumor growth on their scaly skin

The newly deciphered genome, T2T-CHM13, added 200 million base pairs to the 2013 version of the human genome and found 115 new genes.

Scientists Are on the Cusp of Finally Deciphering the Entire Human Genome

After 20 years of work, the pursuit is nearly complete, but the team still has to sequence a Y chromosome

A young puppy responds to a human pointing to a treat during an experiment conducted by scientists at the University of Arizona.

New Research

Puppies Are Born Ready to Communicate With Humans

A new study finds very young dogs with little human contact can understand pointing gestures—and that the ability has a strong genetic basis

New genetic research finds that the Kordofan melon (pictured), native to Sudan, is the watermelon's closest wild relative.

Researchers Uncover the Watermelon’s Origins

A Sudanese plant called the Kordofan melon is the watermelon’s closest wild relative, according to a new study

In a lab experiment, a blind 58-year-old male volunteer was able to identify the position of two cups after receiving a new type of gene therapy.

New Research

New Gene Therapy Partially Restores Sight to Blind Man

Researchers inserted genes that code for light-sensitive proteins in algae into the man’s retina, and now he reports limited but much improved vision

Bats, whales, naked mole rats, elephants, albatrosses, certain dog breeds and a few other animals live unexpectedly long lives. Can scientists discover their secrets?

Why Scientists Are Studying the Genetic Tricks of the Longest-Lived Animals

Researchers are investigating how some species live unexpectedly long lives in order to pinpoint factors affecting human longevity.

Oxitec placed six hexagonal boxes of mosquitoes on private properties in the Florida Keys.

Genetically Modified Mosquitoes Take Flight to Fight Invasive Species in Florida

Invasive Aedes aegypti mosquitoes can carry disease, so Oxitec’s modified strain is designed to reduce their numbers

A tiny, aphid-like whitefly sitting on a leaf.

New Research

This Insect Has Plant DNA in Its Genome

Whiteflies have a gene only found in plants that appears to allow the tiny insects to withstand plants’ chemical defenses

By the time sauteur d’Alfort rabbits are a few months old, they learn how to walk on their front paws to accommodate their uncoordinated back legs.

New Research

Thanks to a Genetic Mutation, These French Rabbits Prefer Handstands to Bunny Hops

The unusually acrobatic sauteur d’Alfort rabbits were first discovered in France in 1935

Jennifer Doudna, a Nobel Prize recipient for her work on the gene-editing tool CRISPR, and the "life sciences revolution" are the dual subjects of Walter Isaacson's latest biography.

How Scientist Jennifer Doudna Is Leading the Next Technological Revolution

A new book from Steve Jobs biographer Walter Isaacson offers an incisive portrait of the gene editing field that is changing modern medicine

C. elegans are roundworms that are about one millimeter long and commonly used in scientific experiments as model organisms.

New Research

These Worms Have No Eyes, but They Avoid the Color Blue

When a scientist noticed that blind nematodes avoid bacteria that make blue toxin, he wondered if they took color into account

Elizabeth Ann, the first cloned black-footed ferret and the first cloned endangered species native to North America, pictured here at 50 days old.

Elizabeth Ann Is the First Cloned Black-Footed Ferret

The creature, the first cloned endangered species native to North America, could provide the fragile population with desperately needed genetic diversity

Steppe mammoths evolved shaggy coats over a million years ago, a trait inherited by woolly mammoths.

Oldest DNA Sequenced Yet Comes From Million-Year-Old Mammoths

Genetic material from three ancient molars reveals secrets of about how the Ice Age elephants evolved

An analysis of the genome of the B.1.1.7 variant of the coronavirus overlaid on the CDC's map of different states' genome sequencing rates. Darker-shaded states have processed more genomes (relative to their total case count) than lighter, greener states.

Covid-19

Why the U.S. Is Struggling to Track Coronavirus Variants

A scattered and underfunded effort at genomic sequencing has hindered the country’s ability to detect different forms of the virus

The protein RAC1 can cause some sperm to spin in circles until they die

New Research

Mice Sperm Sabotage Other Swimmers With Poison

A study in mice found that poison-spewing sperm make others swim in circles, but carry the antidote for themselves

Zebrafish are classic study animals for understanding genetics and development.

A Single Altered Gene Can Make Fish Fins More Like Limbs

Researchers find a mutation that offers clues to the ancient sea-to-land transition of vertebrates

These five skulls, which range from an approximately 2.5-million-year-old Australopithecus africanus on the left to an approximately 4,800-year-old Homo sapiens on the right, show changes in the size of the braincase, slope of the face and shape of the brow ridges over just less than half of human evolutionary history.

An Evolutionary Timeline of Homo Sapiens

Scientists share the findings that helped them pinpoint key moments in the rise of our species

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