View additional resources, online and in print, for NATURE's "Alien Empire."

The tiny silkworm caterpillar is one of the more valued insects, spinning the shimmering threads that are crafted into smooth, cool bolts of shining silk.

They are feared by homeowners for their ability to eat through foundations and beams. But many people don't realize that the termite is also a remarkable architect.

"Fly fast, mate quickly, die young." If mayflies had a motto, that would probably be it. Mayflies may be short-lived, but they play a crucial role in the health of streams and lakes.

There are mathematical laws that explain how everything from jets to paper gliders stay airborne, but engineers and scientists couldn't make the rules explain insect flight.

Learn more about how insects reproduce, live together in society, migrate, and battle for survival.