The Amazon molly is an all-female fish that ditched sexual reproduction entirely, thriving for over 100,000 years through ...

Serially cloned mice hit a genetic “dead end” by generation 58, underscoring that sex evolved for variation, purging harmful ...

In the animal kingdom, relationships are often driven by survival and the chance to pass on their DNA. However, some species ...

The hectocotylus is both a reproductive organ and a sensory organ, a rare combination in animals, new research suggests ...

This bird’s mimic abilities are so advanced that they can fool other species. Here’s what the science reveals about nature’s ...

Vermont’s black bear population is growing, and biologists have launched a new study to find out why.

The idea that modern humans inherited DNA from Neanderthal ancestors is one of the 21st century’s most celebrated discoveries ...

A HUGE shark that can live for centuries has washed up on an Irish beach in what’s been called a “rare stranding”. Wildlife ...

Scientists at Cornell University may be closing in on the long-sought “holy grail” of male contraception: a safe, reversible, ...

In the dark depths of the sea, where vision is difficult, meeting a mate becomes a problem. Octopuses, which are highly ...

Two rare sets of mountain gorilla twins born in Virunga National Park highlight conservation success and renewed hope for the ...

Bar-Ilan University researchers use CRISPR tool to alter Enh13 switch controlling Sox9 gene, causing XX mice to develop as ...