When the 18th-century biologist Carl Linnaeus classified a group of animals as “mammals,” he based the name on one key characteristic—mammary glands, from which females produce milk to feed their ...

Researchers in China's Yunnan province made a surprising discovery last year while studying the jumping spider species Toxeus magnus — nursing moms were feeding their offspring what looked like milk ...

Jumping spiders are a diverse bunch. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Ever seen a teeny, furry spider scampering across the floor?

Millennials get a bad rap for living with their parents into adulthood, but maybe now jumping spiders will take the heat. Not only do they live at home until they’re nearly adults, but they nurse from ...