Alaska’s next hard-rock mine might not produce silver or copper, but antimony: a little-known mineral that’s an essential ...
PLEASANTON, Texas – For the second time in less than a week, an earthquake has rattled Atascosa County. According to the United States Geological Survey (USGS), a 3.9-magnitude earthquake was reported ...
HONG KONG, Nov. 19 (Xinhua) -- An earthquake with a magnitude of 5.6 jolted 50 km W of Houma, Tonga at 0241 GMT on Tuesday, the U.S. Geological Survey said. The epicenter, with a depth of 10.0 km, was ...