The way that Earth's first animals reproduced held back life's diversity for millions of years, until stress and competition ...

Fern-like bodies once covered the seafloor, some stretching as tall as a person. Yet for millions of years, the animal world ...

Earth’s earliest animals may have held evolution back because they reproduced asexually, creating low-competition communities ...

A study has found that the reason why the evolution of the first animals to appear on Earth was delayed for over 10 million ...

The whole point of reproduction is that you produce more of your own species, right? Well, not exactly, and not if you are an ...

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 ...

In Second Nature, scientists theorize that Darwin couldn’t help but impose his own heterosexual ideations on animal reproduction, mainly that animals only copulate for the purposes of reproduction, ...