In a stunning new study, geneticists in Japan have revealed how injecting a 40,000-year-old Neanderthal gene into mice has led to profound changes in their skeletal structure. This experiment, ...

Nine thousand years ago, humans began domesticating cats. Nine hundred years ago, before the advent of intentional cat breeding, a genetic mutation gave rise to the first orange cat. Days ago, ...

For decades, the dream of fixing harmful mutations in mitochondrial DNA felt out of reach. Scientists have long known these ...

Turtles have very low cancer rates, even in large, long-lived species. Their bodies show strong natural cancer defenses.

By analyzing ancient DNA, scientists determined when, where and how our ancestors got sick from infectious diseases.

An international research team has deciphered a mechanism of the evolutionary arms race in human cells. The findings provide ...

Alex Lightly told Newsweek she used to hate her hair when she was younger, but has "learned to see the beauty" in her differences.

Replacing defective microglia can halt ALSP—a fatal neurodegenerative disease—in mice and humans, offering hope for broader brain therapies.

Scientists have uncovered DNA from 214 ancient pathogens in prehistoric humans, including the oldest known evidence of plague ...

While there is no definitive evidence linking chemicals to increased cancer risk in young people, this is an area of intense ...

Today, genomics is saving countless lives and even entire species, thanks in large part to a commitment to collaborative and ...

Microglia replacement therapy helps treat people with a rare genetic condition called ALSP, suggesting the approach could ...