From the campaign trail to the national news, tariffs seem to be talked about everywhere, even the office watercooler.

Rock salt is different. In certain regions of the world, buried hundreds of feet below the ground are remains of evaporated seas. This mineral — halite — gets harvested by drilling the rock ...

Stardust Power Inc. has broken ground on a 66-acre lithium refinery in Muskogee, Oklahoma, set to boost U.S. energy ...