Sea stars can produce eggs for up to 200 years. Their surprisingly human-like ovaries may offer clues about fertility and reproductive aging.

At first glance, bat sea stars, the nubbly, orange, many-footed creatures often found on the seafloor, seem about as far from humans as one can get. Appearances can be deceiving, however. Scientists ...

A human embryo ‘base edited’ so that it can’t produce a key protein (right), fails to form the mass of cells that gives rise ...

But when it came to the organ responsible for female pleasure, they were largely flying blind. Now, a groundbreaking study ...

According to the Australian Bureau of Statistics, around 63,300 Australians aged over 16 – 0.3% of the overall population – ...

When Jasmin Imran Alsous peered down her microscope lens, she expected to see chaos—a mishmash of tangled cells. She was viewing the inside of a male fruit fly's sperm storage organ, using a powerful ...

Male turtles keep their penis tucked inside the body until mating, at which point it extends dramatically. In some species, ...