Add Yahoo as a preferred source to see more of our stories on Google. The site, shown here, was originally excavated during the Soviet period and was relocated using hand draw maps from a 1964 book.

Still Bright hopes its chemical process could help replace polluting copper smelters. Demand for copper is surging, as is pollution from its dirty production processes. The founders of one startup, ...

At a laboratory in Newark, New Jersey, a gray liquid swirls vigorously inside a reactor the size of a small watermelon. Here, scientists with the mining technology startup Still Bright are using a ...

Buried deep in the south Georgia rolling hills, a tiny archaeological site has been rewriting history. Uncovered in the late 1950s, the Kvemo Bolnisi workshop was considered to be one of the ...