Look at the nail of your pinky finger. That’s about the width of the biggest known insect egg, which belongs to the earth-borer beetle Bolboleaus hiaticollis. The smallest egg, from the wasp ...

What’s in an egg? Your breakfast omelet aside, the answer is simple: birds. But not every bird is alike—and neither are their eggs. Look closely, and you’ll see a wide variety of egg shapes and sizes, ...

Reptile eggs are an interesting area of study, but what makes the distinction between snakes and lizards regarding their eggs so complicated and fascinating? Both reptiles can lay eggs and even have ...