People have been putting bumper stickers on their cars since the 1940s, when a Kansas City screen printer named Forrest P. Gill invented them. Gill got his hands on some adhesive-backed paper and ...

Bumper stickers are like tiny billboards for your personality. They make people smile, spark conversations at red lights and turn an ordinary car into something that’s uniquely you. Maybe yours ...

Any commuter in the D.C. region encounters countless bumper stickers — most probably never even register with other drivers. However, a new study shows that political bumper stickers could be making ...