NEW YORK, Jan. 31 (Xinhua) -- Chevron Corp., the U.S. multinational energy corporation predominantly specializing in oil and gas, has begun using "Gulf of America" instead of "Gulf of Mexico" in its ...

Though the volcano’s magma chambers could hold enough material for a caldera-forming event, none of them are likely to erupt ...

Hubbard, who first joined the USGS as a postdoc, is part of the agency’s Earth Mapping Resource Initiative (Earth MRI).