Squadrons of small sooty-brown, sickle-winged birds called chimney swifts zip through the air in rapid twists and turns while gobbling up flying insects. Their 5-inch-long bodies taper at both ends, ...

Trillions of insects embark, largely unnoticed, on epic journeys every year across mountain ranges, deserts and seas, and it is only now, as their numbers suffer huge declines, that scientists are tra ...

The next time you feel like you’re too small to make a difference, think of the mantis. Scientists have discovered that many species of these badass little bugs habitually hunt, kill, and devour ...