If you've ever had a spiny leaf insect as a pet, or you're considering getting one, hopefully someone has warned you about this: if you put one in your enclosure, you might come back some time later ...

Are you familiar with asexual animals? Asexual animals reproduce without involving sex or traditional fertilization. While this might sound strange, it’s actually quite natural—and even helps many ...

The evolutionary origin of sperm can be traced back to a single-celled ancestor of all living animals. Almost all animals reproduce by having a single-celled stage of their life cycle, involving two ...

Nature is full of wonders, and some of the most amazing surprises come from how animals reproduce. While most of us think that having babies always requires a male and a female, that’s not true for ...