Animals

In low- and middle-income nations, snakebite envenoming is more deadly than almost any other neglected tropical disease

Caterpillars can’t regulate their body temperatures, so they have to come up with a totally different strategy to make it through the coldest months of the year.

A honeybee swarm has as much electric charge as a thundercloud, and the insects’ mass movements in the atmosphere might even have some influence on the weather.

Often nicknamed “making biscuits,” kneading is a good sign that your cat is happy, experts say

A “Darwinian paradox” is that homosexual activity occurs even though it does not lead to or aid in reproduction. But if you visit three capuchin monkeys in Los Angeles, they’ll show you how beneficial their liaisons are.

Does the prevalence of same-sex encounters in a group of Puerto Rican monkeys enhance their ability to pass along their genes?

An expedition has discovered a remote Fijian cave with thousands of microbats thought to be nearly extinct

Light is a very dangerous, if not so obvious, threat to birds who migrate at night. But researchers are using weather radar to track birds and provide “lights out” forecasts to help keep their paths clear of visual distraction.

Science is turning to machines to unlock the secrets of the vast, mysterious pulse-of-the-planet phenomenon that is nocturnal migration.

Thousands of usually solitary octopuses gather to brood eggs in a special spot off California

If you really want to challenging your bird identification skills, try using them at night, when bird calls are less than 100 milliseconds long.

A hogfish may provide the first example of a vertebrate with specialized light-detecting cells that reside outside the central nervous system