Before bringing a pet rabbit home, have you considered whether you want a male or a female? Surprisingly, male and female ...

It's not easy to look at a sea spider and see an animal so representative of its kind that it may help scientists sort out ...

Sexual behavior and sex preference in animals and humans are shaped by complex interactions between the brain and hormones during early development. One critical factor is exposure to androgens (male ...

A close encounter with one of Europe’s largest spiders: the South Russian Tarantula carries its prey across the dry steppe. A powerful and fascinating moment in the life of a ground-hunting predator.