Genetic changes that create ever-expanding numbers of identical sperm cells are more widespread than previously thought, ...

Some lucky people have rare genetic mutations that enable them to feel well-rested after just four hours of sleep, while the rest of us need around eight hours to function. Now, researchers have ...

It wasn't until a couple of days later that he met up with Parham, also a 15-year-old sophomore at Los Altos High School, to ...

The age of the father plays a role in pregnancy outcomes, with harmful genetic changes in sperm being substantially more ...

The Centers for Disease Control and Prevention said Thursday that a single severe case of bird flu detected in a Louisiana man shows a rare mutation of the virus. The patient’s samples showed ...

Stanford study finds rapid brain cell evolution boosted human cognition but lowered autism gene activity, raising ...

Groundbreaking research has revealed that as men age, harmful genetic mutations in sperm not only accumulate but are also favored during sperm production, giving them a reproductive advantage.

(CNN) — The sperm of a man carrying a rare genetic mutation linked to cancer was used to conceive scores of children across Europe, prompting calls for greater regulation and a limit on the number of ...

Men having children much later in life could raise the genetic disease risk for their offspring, a study found.

The US Centers for Disease Control and Prevention said on Thursday its analysis of samples from the first severe case of bird flu in the country last week showed mutations not seen in samples from an ...