Serially cloned mice hit a genetic “dead end” by generation 58, underscoring that sex evolved for variation, purging harmful ...

Most of us hide some shame about our bodies and our ideas about sexual performance. It's important to relieve this shame, ...

A Lake Forest man, who is studying for a criminal justice degree, was arrested for distributing videos of children being ...

Violations within Israeli prisons were not new in the context of the extended conflict, but what has been revealed since ...

The Amazon molly is an all-female fish that ditched sexual reproduction entirely, thriving for over 100,000 years through ...

Most aquaculture species have long maturation periods that limit breeding efficiency. Here, researchers from the Institute of ...

Humans living in space for months, years, or even generations will need to navigate sex in a zero-gravity world.

The hectocotylus is both a reproductive and sensory organ, Harvard scientists and others have found. Octopuses are some of ...

At issue is what content might get swept into the definition of "harmful to minors" and whether burdens to adults' First Amendment rights go too far.

Both laws erase trans, intersex, nonbinary, and Two-Spirit people in Montana “from cradle to grave,” out trans state ...

Why do some species live for only weeks while others survive for centuries? Researchers at the Leibniz Institute on ...

Ducks with corkscrew penises, fish changing sex – what do we really know about sex and reproduction on Earth? Less than we ...