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

Dolphins enjoy one of the friendliest reputations in the animal world. Movies, aquariums, and viral clips often show them ...

What to know about Montana’s controversial new sex definition bill - The move officially amends wide ranging sections of ...

President Trump attended the arguments but left after the government presented its case. A victory for the administration ...

A woman who took medication to induce an abortion, and then delivered the baby, was arrested on a murder charge. But on ...

A 2026 informational report on Black Wood Tea ingredients, the venous leakage erectile dysfunction concept, Johns Hopkins ...

Here, ‘weirdness’ abounds. The platypus, for example, seemingly has the beak of a duck, the body of an otter, and the tail of a beaver. It lays leathery eggs like a reptile, yet feeds milk to its ...

Powerful punches. Flesh-tearing teeth. Deadly talons. We explore the best (or is it the worst?) weapons in the natural world.

Identifying the sex of a reptile cen be difficult on appearance alone, but there are some ways to distinguish. Read here to ...

How do octopuses mate in the dark? A new study shows how the hectocotylus arm uses progesterone receptors to "taste" for a mate.

Scientists found that the male’s hectocotylus, the specialized arm for mating, is lined with receptors that can sense ...

A new study on mayflies of the genus Ecdyonurus illustrates just how multifaceted and surprising reproductive behavior in nature can be. Entomologists at the State Museum of Natural History Stuttgart ...