U.S. Geological Survey
A new federal earthquake map dials up the shaking hazard just a bit for about one-third of the United States and lowers it for one-tenth.
Efforts to get invasive fish out of Missouri, Mississippi rivers & sell them have not been lucrative.
The U.S. Geological Survey plans to begin conducting low-level flights across sections of Missouri, Arkansas and Tennessee this week.
A study by the U.S. Geological Survey is raising concerns after toxic levels of lead were found in songbirds in mining areas of Missouri.
The epicenter was one mile east of Hayward, Missouri and about four miles southeast of Portageville, Missouri around 10:20 p.m. Tuesday night.