Dear James: Our swinging doors use a lot of wall space when open. Our house is small, so we want to install sliding or folding doors. Which design is better and how are they installed? - Marcia L.

Kingston University graduate design student Younghwa Lee has created an innovative indoor shelter for use during an earthquake—a folding door that not only stands in the safest place in a home, but ...

You use doors every day of your life without thinking: push or pull, they all pretty much work the same way. But designers are trying to reimagine how a door might work. Klemens Torggler, an Austrian ...