This week's question examines the details of a device that many of us take for granted when looking at our local weather. Morning Brief reader Mark asks, "How does radar work?" Meteorologist Sara ...

Teradar's sensor uses the terahertz part of the electromagnetic spectrum, and combines the best traits of radar and lidar sensors without some of the drawbacks.

A research team from Queen Mary University of London has discovered a new way to engineer thin films that can "tune" ...

Bruce Campbell, of the Center for Earth and Planetary Studies at the Smithsonian's National Air and Space Museum, is at the National Radio Astronomy Observatory in Green Bank, W. Va., to make a radar ...