Animals

“Resident” and “transient” killer whales, or orcas, have unique hunting habits and genetics, proving they are in fact separate species

Scientists are finally getting their hands on enough data to begin to understand how animals react to a total solar eclipse

Like humans, these small Japanese birds communicate abstract concepts with gestures

The summer “kitten season” is starting earlier and lasting longer, which is bad news for both animal shelters and wildlife

Aedes aegypti mosquitoes use social cues to decide where to lay their eggs, scientists discover

When zooming forward, hummingbirds rely on a unique internal “cruise control”

Thirsty cicadas produce more powerful jets of urine than some mammals

Scientists have long wondered how baleen whales make their songs, and a new study has finally uncovered the anatomical workings behind their melodies.

Pythons turn their food into meat pretty efficiently, a study finds, making them an intriguing alternative to climate-unfriendly cows

New research shows that CRISPR, the gene editing technique, could make chickens more resistant to bird flu. But its use raises many ethical and scientific issues

The U.S. is seeing two adjacent broods of periodical cicadas emerge this spring in a synchronized marvel of evolution

On the African savanna, a single invasive ant species has upset the delicate balance between predator and prey.