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

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

Fossils from some of the oldest-known animals on Earth, dating from 574 million years ago (Ediacaran period), suggest that cloning, not competition, dominated the Ediacaran seas, slowing evolution ...

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 ...

Researchers just discovered a method of animal reproduction previously unknown to science, reporting that a biological law is being “broken” by a species of ant. The yellow crazy ant, according to a ...