Female moths avoid laying eggs on stressed plants that emit ultrasonic sounds. Instead, they choose silent, healthy plants.

When you stop and listen, Colorado is the stage for an insect cacophony this time of year. Crickets sing in the grasses, and the trees are full of shrilling cicadas and the scree-scree-scree calls of ...

How do you play a built-in trumpet? When a friend asked, “Do elephants make that trumpeting sound through their nose or mouth?” that prompted us to take a deeper look at how animals make some of their ...