Cornell University scientists have taken a major step toward developing a safe, reversible, long-acting and 100% effective ...

Just because a female olive baboon has mated with a specific male doesn't mean he will be the father of her offspring.

A single DNA letter, inserted into a stretch of the genome that doesn’t code for any protein, was enough to turn genetically ...

Typically, female mouse embryos with two X chromosomes develop ovaries because a gene called Sox9 is suppressed. In male ...