Scientific American Magazine

Each concept—each person or thing in our everyday experience—may have a set of corresponding neurons assigned to it

Microscopic analyses of chondrites, the oldest rocks in the solar system, are filling in details of what our neighborhood in space was like shortly before the planets formed

New fossil discoveries complicate the already devilish task of identifying our most ancient progenitors

It's the flow of warm tropical water across the Atlantic that keeps European winters mild, right? Maybe not

Few petroleum-powered cars have ever surpassed 400 miles per hour. Now a group of students plans to do it in an electric vehicle

The hallowed notion that oxidative damage causes aging and that vitamins might preserve our youth is now in doubt

A modest effort to enlist amateur bird-watchers in the cause of ornithology wound up producing a fire hose of data and helping rewrite the rules of science