Male pufferfish off the coast of Japan spend days sculpting radial sand formations that stretch roughly two meters across, ...

The female reproductive system includes organs that produce hormones like estrogen and progesterone. Ovaries release one mature egg each month during ovulation. Fallopian tubes transport the egg from ...

Successful reproduction presents a fundamental evolutionary paradox: the immune system must tolerate genetically foreign sperm and embryos while maintaining ...

The court upheld state laws in West Virginia and Idaho barring the participation of transgender female athletes from girls’ ...

Some IVF clinics are using AI to perform tasks such as sperm and embryo selection, but some fertility experts question ...

Taxidermied, locked behind plexiglass and spinning slowly on a wooden dais in the National Museum of Scotland in Edinburgh, UK, the world’s most famous ewe remains a public spectacle three decades ...

Female fertility depends on the successful growth and maturation of eggs (oocytes) within ovarian follicles. Within these ...

Northwestern Medicine scientists have discovered that one of the body's most fundamental biological processes—how red blood ...

UCSF researchers are using tiny "mini-organs" to model disease, personalize treatment, and understand human development. They ...

A research team led by the Universitat Autònoma de Barcelona (UAB) has revealed how the genome is reorganized in 3D during ...

AI doesn't just generate images; it mirrors our biases. New research shows how it can reinforce unrealistic body ideals, ...

Depending on the type of intersex variation someone has, it could alter their chromosome makeup, genital appearance, hormonal balance, and more. Share on Pinterest Maskot/Getty Images We’re born with ...