New York City is full of sites purported to have been stops on the Underground Railroad, a system of safe houses that helped transport runaway slaves to freedom in Canada. While many were located in ...

In this video, I build a secret underground shelter hidden deep in the forest, designed to stay invisible from the outside.

A phenomenon that scientists have called “underground climate change” is deforming the ground beneath cities, a study conducted in Chicago has found. This shifting of land under urban areas could pose ...

Add Yahoo as a preferred source to see more of our stories on Google. CHICAGO — On a recent tour underneath Chicago’s iconic skyline, Alessandro Rotta Loria, an assistant professor of civil and ...

Back in 1800 BC, the people of the Cappadocia region of modern-day Turkey decided their environment was so hostile – with extreme weather and the constant threat of war – that they dug an entire city ...

Two levels below ground at the Grant Park North Garage, the summer heat feels oppressive. As downtown commuters park and exit their cars, sweat quickly beads on their furrowed brows and foreheads.

For millennia humankind has dug downward for shelter, security, and comfort. Born out of pure necessity, using nothing but the ever-present earth, humankind created architecture by subtraction. In ...

We set goals for renewables, net zero energy and carbon free. These resource-related goals will require a 21st-century distribution grid that is reliable, resilient and still affordable. Will it be ...