Genetics

Getting blood vessels right in lab-grown and 3-D printed organs is still a challenge

Researchers explore using stem cells to treat age-related macular degeneration in real-life situations

The DNA you shed everywhere could be used to identify you, and experts are concerned

The U.K.’s fertility regulator reveals that at least one child has been born using mitochondrial replacement therapy, but the procedure’s effectiveness remains to be seen

Hidden beneath the surface of the treasured strawberry is a unique branch of the evolutionary tree, where eight sets of chromosomes are better than two

When it comes to dog traits, genetics-based lineages are more telling than human-made categories

Genetic sequences show evidence of raccoon dogs and other animals at the Wuhan market sites where SARS-CoV-2 was found in early 2020, adding to evidence of a natural spillover event

A team of moth and butterfly scientists decided to go from a restaurant bar to the lab bench to understand mescal’s iconic “worm”

What really happens to our bodies when we age—and could we find a way to slow it down?

Using modern human DNA to estimate when new generations were born over 250,000 years, scientists suggest that fathers have been having children later in life than mothers throughout human history

Scientists have long known that ancient people living in Siberia made their way into what is now North America. Mounting DNA evidence suggests migration also happened in the opposite direction

A detailed examination of gene activity in various organisms, including humans, reveals a new hallmark of the aging process