Animals

Some creative calculations using bug traps, epidemiology and trees suggest there are some 20 million unique insect species on Earth

The bionic bugs could be called up for aquatic search and rescue missions, according to the researchers

Pigeons seem to defy a century-old psychology law about how rewards and consequences help us learn

Julie Elie has been studying zebra finch vocalizations for years. Now, she has won the Coller-Dolittle Prize for progress toward a world where humans can talk to animals

As temperatures rise, some creatures pick fights while others struggle to learn

From tiny hamsters to giant salamanders, here are some of the most unusual examples of fatherhood across the animal kingdom

What does it take for an insect or worm to live full-time on a glacier?

Fossilized poo harbors remains from mammoths, bison and big cats, including some of the oldest DNA ever reconstructed

Controlling a small group of “noisy” sheep holds hints for computer algorithms

The fossilized remains of more than 450 whales have amassed along a 750-mile-long stretch of the Indian Ocean floor

Dogs spontaneously aid struggling humans the way young children do—whereas cats wait until they stand to benefit

In a new study, an AI tool identified images of seahorse, shark fin and sea cucumber samples in luggage