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 ...

The strangest thing about Toxeus magnus jumping spiders is not their resemblance to ants, though it’s a great impression — skinny legs and all. Spilling their most amazing secret requires a little ...

The jumping spider pet market is booming, particularly with women. And for many, the journey to spider enthusiast began as an ...

The act of breast-feeding is so fundamental to being a mammal that we named ourselves after it. (“Mammalis” translates to “of the breasts.”) But over time, scientists have discovered that other ...

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 ...