In 2020, the news broke that this ball python female had laid a clutch of viable eggs. It was unexpected for a snake in her sixth decade, and even stranger given the fact she hadn’t been in contact ...

T his pocket-sized new spider is rocking a unique look. Near perfectly split down the middle, its left legs are dark orange while its right is a whitish salt-and-pepper color. Remarkably, this is not ...

Among mammals, females generally live longer. The recent comparative study examined 528 mammal species in zoos and found that ...

A newly discovered species, Damarchus inazuma, displays a rare split-sex trait known as gynandromorphism and takes its name ...

A new species of spider, Damarchus inazumasp., has been discovered in the forests of western Thailand, along with an ...

Sexual size differences are widespread in biology, yet the "how" behind them often remains vague. We asked a concrete ...