Iguanas Floated a Whopping 5,000 Miles From North America to Fiji on Rafts of Plants in a Record-Setting Trip, Study Suggests
Since most iguana species live in the Americas, biologists have long debated how they could have arrived on the remote Pacific island in the first place
A New Study Finds That Domestic Cats Traveled the Silk Road to China About 1,400 Years Ago
The animals were likely gifted to some elites, then spread throughout the region
Mysterious Skeleton of Child With Human and Neanderthal Traits Has Finally Been Dated by Archaeologists
Discovered in Portugal in 1998, the individual dubbed the “Lapedo Child” has long perplexed scientists, thanks to a curious mix of features
Extreme Heat Could Make Older Adults Age Faster by Altering Their DNA, Study Finds
Researchers compared genetic markers of aging to daily temperature records in areas across the United States and found that elderly people exposed to more hot days showed more rapid biological aging
The Future of Transplanting Pig Organs in People
After years of research into xenotransplantation, the field is at a turning point—yet risks and ethical issues remain
About One Billion People Are Deficient in Selenium. Genetic Engineering Could Change That
Hoping to stave off a global health crisis, scientists are breeding a new generation of crops that suck the mineral, which helps the thyroid and immune system, from soil
Greenland Sharks Can Live for 400 Years. Scientists Are Using DNA to Unravel Their Longevity Secrets
These large, mysterious creatures are the longest-living vertebrates on the planet—and their genomes could contain clues to how they prevent cancer and reach such an advanced age
Biotech Company Creates ‘Woolly Mouse’ as a Step in Its Quest to Resurrect Woolly Mammoths Through Gene Editing
Colossal Biosciences leaders say the fluffy, golden-haired mice help validate their technique to “de-extinct” species, but outside scientists remain skeptical
Who Were the Huns Who Invaded Rome? A New Study Has Revealed Surprising Genetic Diversity
Researchers found that the group led by Attila the Hun contained a mixture of diverse ancestries, with at least a few related to elites of the Xiongnu Empire
Scientists Identify a Gene Linked to Spoken Language, and It Makes Lab Mice Squeak Differently
A new study suggests the unique human version of the NOVA1 protein developed after our ancestors split from Neanderthals on the evolutionary tree, and it might have given us a competitive edge over our relatives
A Brief and Amazing History of Our Search for Life in the Clouds
By collecting samples after climbing a high peak and firing rockets with special traps into the upper atmosphere, scientists have found microbes living in thin air
Why Scientists Kept the Birth of Dolly, the World’s First Cloned Mammal, a Secret for Seven Months
The scientific breakthrough, announced on this day in 1997, proved that geneticists could clone an adult mammal, giving rise to a new era of ethical debate and experimentation
Couples Exchange Bacteria During Intercourse, Known as the ‘Sexome.’ It Might Help Track Down Sexual Assault Perpetrators
In a study of 12 heterosexual couples, researchers noted the presence of a partner’s genital bacteria after sex, even when the pair used a condom
Scientists Confirm Endangered Bats Are Migrating in Arizona for the First Time, Using DNA Clues Found in the Environment
Researchers and citizen scientists took samples of environmental DNA from saliva on backyard hummingbird feeders and agave plants to identify Mexican long-nosed bats
FDA Approves Transplant Trials for Gene-Edited Pig Kidneys
Two biotechnology companies will begin testing the procedures in patients suffering from kidney failure
Why Do Mammals Have Outer Ears? Scientists Are Getting Closer to Solving the Mystery
Two new studies offer insights into the evolution and development of external ears, which appear in humans and other mammals but aren’t found in reptiles, birds or amphibians
Why Is Every Human Being Riddled With Genetic Errors?
Your body is a collection of cells carrying thousands of genetic mistakes accrued over a lifetime—many harmless, some bad and at least a few that may be good for you
Scientists Discover Celtic Society Where Men Left Home to Join Their Bride’s Community
DNA extracted from 57 individuals buried in a 2,000-year-old cemetery provides evidence of a “matrilocal” community in Iron Age Britain, a new study suggests
A New Crayfish Species Was Hiding in Plain Sight Among Common Aquarium Pets, Researchers Find
Native to Indonesian New Guinea, the crustacean comes in two color forms and is a popular pet choice in Europe, Japan, the United States and Indonesia
Researchers Track Down When Neanderthals and Early Modern Humans Interbred Using Ancient Genomes
Two studies came to a similar conclusion, highlighting a single, sustained event of mixing DNA. The findings could impact our understanding of when modern humans reached regions like East Asia and Australia
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