Beware 7 terrifying desert creatures witnessed by real people.

People often marvel at how much—and how little—intelligence is displayed in the animal kingdom. Often the subject of research ...

For decades, scientists and surgeons around the world have been trying to solve the organ donor crisis. The answer could be rolling in the mud. Did Pluto ever actually stop being a planet? Experts ...

The biggest stories of the day delivered to your inbox.

Scientific American is the essential guide to the most awe-inspiring advances in science and technology, explaining how they change our understanding of the world and shape our lives.

A man wrapped in gauze as part of a costume sits in the back of a taxi on Halloween in New York City. The festive image was previously published in a digital story in October 2014.

4-H, FFA and Grange members are prepping their animals and organizing activities. Three Ramona fourth-graders are winners of Water Awareness Poster Contest By Julie Gallant ...

An illustration of a magnifying glass. An illustration of a magnifying glass.