News

First-of-its-kind survey shows that algal toxins are found nationwide

At least one pharmaceutical chemical was detected in all 59 streams sampled

Celebrate Earth Day on April 22! Learn about USGS science for a changing world.

The American oystercatchers studied on Cape Lookout National Seashore in North Carolina were disturbed more by pedestrians and off-road vehicles...

The U.S. Geological Survey has created 20 new flood inundation maps that can help South Carolinians take steps to prevent or reduce future flood...

USGS scientists have detected toxins known as microcystins produced by various forms of algae in 39 percent of the small streams assessed throughout...

U.S. Geological Survey field crews are measuring record flooding on rivers and streams in 12 states across the country. USGS is making preparations...

CORVALLIS, Ore. — Ecosystem restoration is complex and requires an understanding of how the land, plants, and animals all interact with each other...

A newly published, three-volume “Remote Sensing Handbook” is a comprehensive coverage of all remote sensing topics written by over 300 leading global...

With the release of new US Topo maps for Illinois and South Dakota, the USGS has completed the second, three-year cycle of revising and updating...