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The U.S. Geological Survey announced Friday the completion of a new mobile tool that provides real-time information on water levels, weather and flood...

The insecticide fipronil and some of the compounds it degrades to are more toxic to aquatic insects, such as mayflies and stoneflies, than previously...

Editor’s note: This story updates and replaces a story published October 8, reflecting a new forecast that reduces the extent of Hurricane Delta’s...

To learn more about USGS’s role in providing science to decision-makers before, during and after Hurricane Delta, visit the USGS Hurricane Delta page...

What happens when a 6.4 magnitude earthquake strikes Puerto Rico and the public needs critical information? How does a mostly English-speaking science...

SPARROW mappers are interactive tools that allow users to evaluate streamflow and nutrient and sediment conditions as well as the importance of...

The scarcity or overabundance of water presents some of the most dangerous, damaging and costly threats to human life, ecosystems and property in the...

U.S. Geological Survey and partners will inject a harmless, bright red fluorescent dye into the Kansas River on September 29, weather permitting. The...

To learn more about USGS’s role in providing science to decision-makers before, during, and after Hurricane Sally, visit usgs.gov/sally.  

To learn more about USGS’s role in providing science to decision makers before, during and after Hurricane Sally, visit usgs.gov/sally.