Red-breasted nuthatches don't trust everything they hear, suggesting evolution favors cautious behavior, a new study says. If you live in North America, you might have enjoyed the bright songs of black-capped
The first people who contracted the deadly new coronavirus sweeping through Asia were infected when the virus jumped from animals to humans, and a new report points to the original animal source: bats.
Many similar-looking groups of animals can be easily confused—but in some cases, it’s crucial to know what's what. Butterflies fly during the day, and moths come out at night. At least, that’s what conventional