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This picture shows two ticks in a stance known as "questing." By raising their front legs, ticks can quickly grab onto a host.
January 11, 2017

When it's hot and not too muggy, Lyme disease-bearing ticks hide out where people don't tread. Scientists say that's why the illness is rare in the South, and may eventually fade out along the Mason-Dixon line.

Photo of scientists conducting water chemistry tests for the San Pedro River aquifer. 
December 20, 2016

For the first time, information about the San Pedro River Aquifer is now available from both the U.S. and Mexico in a new, collaborative report issued from the International Boundary and Water Commission, the Mexican National Water Commission, the U.S. Geological Survey and the Universities of Arizona and Sonora.

Beach houses behind a sand dune at Cape Hatteras, North Carolina
December 7, 2016

Coastal zone research projects will help managers protect developed areas' beach dunes, which are vital to resilient communities, ecosystems and economies.

This picture was taken June 23, 2010 along the Louisiana shoreline in Barataria Bay and shows oil spilled from Deepwater Horizon
November 17, 2016

A new USGS-NASA study found widespread shoreline loss along heavily oiled areas of Louisiana's coast after the 2010 BP Deepwater Horizon oil spill and compared the erosion from the spill with coastal changes Hurricane Isaac caused in 2012.

A meltwater stonefly larva (Lednia tumana) sits on a cobbled snow fed stream in Glacier National Park.
November 16, 2016

West Glacier, Mont. – Two rare alpine insects – native to the northern Rocky Mountains and dependent on cold waters of glacier and snowmelt-fed alpine streams – are imperiled due to climate warming induced glacier and snow loss according to a study by the U.S. Geological Survey and its partners.

A group of Brook Trout swim through a stream.
November 16, 2016

A new USGS study shows non-native Brown Trout can place a burden on native Brook Trout under the increased water temperatures climate change can cause.

Image shows an outline of the Midland Basin and assessment units on a Texas County Map
November 15, 2016

This is the largest estimate of continuous oil that USGS has ever assessed in the United States.