A new study published in Science and led by Monash University biologists reveals that the energy cost of reproduction is far greater than previously believed. The research, led by Dr. Samuel C Ginther ...

How do animals decide when to fight and when to walk, fly, slither, or swim away? Most research on animal conflict has focused on the short-term costs of single interactions, but a pair of behavioral ...

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 ...

Butterflies (Papilionoidea) come in a remarkable variety of colors and patterns, from the orange majesty of the monarch to the lustrous red and blue of the peacock butterfly, but all butterflies ...

The following is an extract from our nature newsletter Wild Wild Life. Sign up to receive it for free in your inbox every month. I have only vague memories of school sex education lessons. But I’m ...

A children’s book about animal reproduction will remain in several Orange County middle school libraries after a divided school board vote. The board voted 6–2 to keep "Do Animals Fall in Love?" on ...