Turns out fairies do exist—on a microscopic level. Well, sort of...meet the fairyfly: the smallest insect on Earth! Learn all ...

Researchers have succeeded in developing the smallest fully autonomous robot in history. It measures less than 1 millimeter and can swim underwater for months powered only by light.

"Look through the microscope and you can see the mouth moving," said Axhel Munoz, volunteer instructor for the Sonoran Desert Kids Club. He was explaining how to view dragonfly specimens up close ...

Carrie Madormo, RN, MPH, is a health writer. She has over a decade of experience as a registered nurse, practicing in a variety of fields, such as pediatrics, oncology, chronic pain, and public health ...