DNA

The monkey "chimera" with two sets of DNA at three days old. Some body parts appear tinted green, because the researchers marked the transplanted cells with fluorescent dye to trace what parts they developed into.

Scientists Created a Monkey With Two Different Sets of DNA

So-called "chimeric" monkeys could help scientists understand human diseases and aid in conservation efforts, but the research raises ethical questions

Contact between Europeans and Native Americans is recorded in the DNA of head lice.

When Did Humans Arrive in the Americas? Lice Help Answer That Head-Scratcher

A new analysis of the annoying critters shows when groups from Asia and Europe hitched rides on human hair and skin to arrive on our continent

Researchers examined how key genes behave across the sea star body by staining genetic material with fluorescent labels.

A Starfish 'Body' Is Just One Giant Head, Study Finds

Genes associated with the torso are largely absent in a species of starfish, upending how scientists perceive these creatures

A blood smear of a patient with sickle cell. The crescent-shaped sickle cells can be seen in the smear.

Gene-Editing Treatment for Sickle Cell Disease Moves Closer to Approval

FDA advisors said the benefits seem to outweigh any possible risks, and the agency will decide whether to approve it by December 8

Mass Audubon's science coordinator Mark Faherty examines a horseshoe crab in Pleasant Bay, where he has conducted research on them for years.

New Synthetic Horseshoe Crab Blood Could Mean Pharma Won't Bleed the Species Dry

The “living fossils” have been vital for testing intravenous drugs, but a few large pharmaceutical companies are using a lab-made compound instead

If you want to cut meat out of your diet but are having a hard time, a new study suggests your genetics may be responsible.

Maintaining a Vegetarian Diet Might Be in Your Genes

New research has identified three genes that are strongly linked to vegetarianism and 31 others that might also play a role in sticking to a meatless diet

The illegal trade of wildlife may include animals or plants, or parts of them, such as roots, stems, skin, bones or antlers.

A Look Inside Wildlife Crime Scene Investigators

Scientists are using the latest in DNA fingerprinting to combat the multibillion-dollar business of trafficking plants and animals

A Tasmanian tiger at the Hobart Zoo in Tasmania. The last known living Tasmanian tiger died at the zoo in 1936.

Scientists Collect First RNA From an Extinct Tasmanian Tiger

No other RNA has ever been extracted from an extinct species, so the breakthrough opens doors to understanding the biology of long-gone organisms

Methuselah, the oldest fish living in an aquarium, was transported to California in 1938.

Methuselah, the World's Oldest Living Aquarium Fish, Could Be More Than 100

Using a new and noninvasive technique, researchers analyzed the DNA of 33 lungfish in institutions across the U.S. and Australia to determine their ages

To recreate the face of a pregnant Egyptian woman, Hew Morrison first digitally mapped her skull, then added muscles and soft tissues—and, finally, the most subjective element: the eyes.

How One Forensic Artist Brings the Dead to Life

Using DNA analysis and historic records, his work allows us to look ancient humans in the eye

Hugh Gray's famous 1933 photo of a creature he believed to be Nessie

Loch Ness Monster Lovers Come Together for Biggest Hunt in 50 Years

Volunteers will convene in the Scottish Highlands armed with drones, hydrophones and other technologies

A model of a Neanderthal at the Natural History Museum in London. Researchers theorize that molecules that existed in our extinct ancestors could be used to treat pathogens today.

Scientists Turn to Human Ancestors' DNA in Search for New Antibiotics

Microbe-fighting molecules that once existed in Neanderthals and Denisovans have been re-created in the lab and tested in mice

Catoctin Furnace in Cunningham Falls State Park, Maryland

DNA Links 42,000 Living People to Enslaved and Free African Americans Buried in Maryland

The research, initiated by the local African American community, could be a roadmap for future genealogy studies

Mountaineers came upon the gear and remains of a hiker missing since 1986 last month.

Melting Swiss Glacier Reveals Remains of Climber Who Disappeared in 1986

As climate change warms the planet, more discoveries of human remains and objects in ice are expected to occur

Researchers think that servants maintained the site year round, while royals only came to Machu Picchu during the dry season.

Servants at Machu Picchu Came From Distant Corners of the Inca Empire

The city's servant class was a genetically diverse community, according to a new study of ancient DNA

Paul Kaufmann inherited several of what are thought to be fragments of Ludwig van Beethoven's skull, which he has donated to the Medical University of Austria.

Skull Fragments Thought to Be Beethoven's Return to Vienna

The composer asked that, following his death, his physician study the illnesses that plagued him during his life

Artist Oscar Nilsson based the facial reconstruction on DNA and skeletal analyses.

See the Face of a Woman Who Died in a Shipwreck in 1628

A new facial reconstruction vividly resurrects Gertrude, one of 30 people killed during the sinking of the Swedish warship "Vasa"

An artistic rendering of what the "Ivory Lady" might have looked like

The 'Ivory Man'—a Powerful Leader Buried in a Lavish Tomb 5,000 Years Ago—Was Actually a Woman

Researchers in Spain had previously assumed that the grave belonged to a high-status young man

The new research sequenced the genomes of more than 230 primate species, 58 percent of which are threatened with extinction.

What the Largest-Ever Study of Primate DNA Reveals About Ourselves

The findings cover not only conservation and primate evolution, but also human health and diseases

Researchers hope that an injection could one day be a faster and safer substitute for surgical cat sterilization.

Scientists Develop New Birth Control for Female Cats—No Surgery Necessary

The one-time injection of a gene therapy could eventually be used to control cat populations

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