Fossils are invaluable archives of the past. They preserve details about living things from a few thousand to hundreds of millions of years ago. Studying fossils can help us understand the evolution ...

A hot potato: As Wi-Fi spreads everywhere, a new technology could identify you just by how your body disturbs wireless signals – no cameras, no devices needed. This breakthrough raises urgent ...

Smithsonian researchers used fecal samples to identify specific wild swift foxes. This method allows for non-invasive monitoring, which reduces stress for the animals. Wes Overvold, Smithsonian’s ...