Funny animal compilation videos deliver nonstop laughs, featuring silly pet moments and unexpected animal encounters from ...

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

Earth’s earliest animals may have held evolution back because they reproduced asexually, creating low-competition communities that changed very little over time. When environmental pressures pushed ...

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 ...

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 ...

In Telford's Exotic Zoo, life found a way. A casque-headed iguana has given birth to eight babies at the Shropshire wildlife park – without any contact with a male, via a phenomenon called ...

Animal reproduction encompasses the full sequence from gamete formation through fertilisation, embryonic development and parturition. In farm and companion species alike, natural breeding is ...

Dogs are called man's best friend, but they are also often friendly with other animals. To provide an apt example, an Instagram video shows how a Golden Retriever named Baker attracts all kinds of ...

Reproduction in animals varies from species to species. Some types of reproduction, like parthenogenesis, are more unusual than others. This reproductive method requires only one individual rather ...

Tracking units on the shell of a wood turtle. The tracking information these GPS units collect is used to understand how wood turtles move throughout the year. Image credit: Smithsonian's Movement of ...