A red knot is a tiny shorebird that makes an epic 9000-mile journey all the way from the arctic to the tip of southern Chile and back. Biologists and nature enthusiasts congregate at various points ...

Little kids are looking at a lot of dots these days. The theory behind this increasingly popular practice is that an effective way to teach counting might be by … not counting. That’s the ...

Say you’re a small mammal like a ground squirrel, vulnerable to becoming a bigger animal’s meal. You spy a roomy cave in the distance—but two large bears are already heading into it. A few minutes ...