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

Life was pretty nice during the Ediacaran, so the need for sex was rather limited,” Emily Mitchell, a paleozoologist at the ...

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

In the rivers of southern Mexico and Texas, USA, there swims a silvery-scaled fish that seems impossible to exist according ...

All-female species have been long thought of as evolutionary dead ends – but one fish has defied the odds to live without ...

It may sound too bizarre to be true, but the Amazon molly (Poecilia formosa), a fish that inhabits rivers, lakes, and swamps in Mexico and Texas, exists over much of its range in populations that are ...

“I’ve got one hand on the keyboard, one hand down below,” an artist who role-plays with their chatbot tells WIRED. But some asexual advocates aren’t thrilled about the association. Kor “got really ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. Humans don’t have a defined mating season like deer or wolves. Here’s how evolution rewired ...

When Neanderthals and modern humans first got together, they preferred pairings between Neanderthal men and human women, a new study of ancient and modern genomes suggests. The finding helps to ...

Most people today have a little Neanderthal DNA sprinkled through their genome. These genomic signals are the telltale signs that overlapping populations of ancient anatomically modern humans and ...

Rachel Shatto, Editor-in-chief of PRIDE.com, is an SF Bay Area-based writer, podcaster, and former editor of Curve magazine, where she honed her passion for writing about social justice and sex (and ...