Spooky glows haunt the air above powerful thunderstorms. These include vibrant red lights called sprites, which are sometimes followed by eerie green ghosts. But these light shows are not paranormal.

Credits: Michelle Maranowski, Ph.D., Science Buddies. This science fair project is based on one found in the following science project book: VanCleave, Janet. Oceans For Every Kid. New York: John ...

When we talk with friends about energy, sometimes we’re talking about how tired or invigorated we feel. Other times we’re referring to how much charge is left in the battery on our phones. But in ...

In the winter, my grandmother would urge me to come inside. “You’ll catch your death of cold out there,” she’d say. Sure, freezing to death is possible in frigid temperatures. But my grandmother was ...

This is a human-written story voiced by AI. Got feedback? Take our survey. (See our AI policy here.) Visit your local natural history museum gift shop and you’ll probably find a container of dinosaur ...

Like the three-banded armadillo, this device can roll up to shield its innards, such as sensitive electronics and a small ...

The sky abounds with tiny bits of solid or liquids known as aerosols. Some are flecks of black carbon or dust. Others are specks of sulfates or sea salt. All play roles in managing Earth’s temperature ...

A key ocean current that warms Europe is weakening, which could lead to a big chill. Scientists are now discussing how we ...

Earth has experienced several ice ages. These can emerge almost overnight in films. Although dramatic, that timeline is truly ...

Bite marks on a 2-million-year-old human jaw suggest leopards once hunted people as prey. People likely survived by learning to team up.

Meats were important, too. But throughout human evolution, fruits may have fueled much of the brain growth in our primate ...

Mammals are a diverse group of animals. They include about 6,600 known, living species. Many of them, including humans, cats ...