A bone feature found in a mammal ancestor hints that the creature was relatively large as a newborn, more in line with the ...

“If mammalian ancestors were egg-laying or viviparous (live birth-giving) has been considered an inscrutable mystery,” said ...

A drone operator recently captured a rare marine mammal sighting off the coast of New South Wales, Australia: the birth of a humpback whale. Alex Forrest, a volunteer drone pilot with the Organisation ...

The pocketbook mussel is a freshwater bivalve native to the Ohio River basin. It uses a clever lure that mimics a small fish to attract a host for its parasitic larvae. When a fish strikes the lure, ...

You must’ve been having some great sex in your life if scientists can still find fossilized evidence of it more than half a billion years later. That’s exactly what happened after researchers studying ...

MAISONS-ALFORT, France (AP) — A wildlife hospital in a southeastern Paris suburb is a place of no cuddles but lots of care. It helps injured, sick and orphaned animals — often victims of human ...

Some animals are capable of parthenogenesis, a reproductive process in which females produce offspring without fertilization. This phenomenon has been documented in reptiles, sharks, birds, and ...

We always think of “having a baby” as a sweet greeting card moment. But, really, for many species, the process of reproduction is really freaking weird, and sometimes downright painful. Like ...

Here’s what you’ll learn when reading this story: Chondrichthyan fishes—a group that includes rays, skates, chimaeras, and sharks—are thought to have energy intensive reproduction cycles due in no ...

Cities profoundly shape how animals interact with one another. A new comprehensive review by researchers at Bielefeld University shows that urbanisation alters animal social behaviour – from mate ...

Add Yahoo as a preferred source to see more of our stories on Google. There are several myths surrounding the Virginia opossum's reproductive biology. Opossums do not give birth through their nose!