Images

Water hyacinth is an invasive plant species that once introduced to a new region it quickly establishes and spreads, competing against native plants.

Experimental laboratory setup to study uranium in aquatic organisms. Bottles contain artificial freshwater amended with dissolved organic matter and a range of uranium concentrations.

USGS crews had two research vessels out measuring streamflow on the Mississippi River at St. Louis on New Years Eve, 2015. 

USGS scientist Chris Rowden drives a research vessel measuring streamflow alongside another field crew on the Mississippi River at St. Louis.

The Smithsonian Natural History Museum offers hands-on learning experiences.

Researcher Carol Hasburgh taking winter water chemistry samples on the Yukon River for a permafrost loss study. 

The Eastern, migratory population of monarch butterflies has declined by about 80 percent over the last decade.

These Elkhorn corals (Acropora palmata) near Buck Island, U.S. Virgin Islands have died and collapsed into rubble. As coral reef structure degrades, valuable habitat for marine life is lost and nearby coastlines become more susceptible to storms, waves and erosion.

A scanning electron microscope image of the newly discovered mineral finchite. The Denver Microbeam Lab provided this scan of finchite in order to help describe and identify the mineral as a new one. Finchite is a uranium mineral first observed in Martin County, Texas.

Tsunami evacuation route sign at an intersection in Nehalem, Oregon.

USGS scientists Paul Rydlund, Eric Looper and Jason Carron dock the boat and coordinate with emergency managers.

USGS scientists Chris Rowden, Larry Buschmann and Bob Holmes were on the Mississippi River at St. Louis taking streamflow measurements on New Years Eve. This information is critical to the National Weather Service, the U.S. Army Corps of Engineers and emergency managers in making flood predictions and response.

USGS crews had two research vessels out measuring streamflow on the Mississippi River at St. Louis on New Years Eve. USGS scientists Eric Looper and Jason Carron are one of many USGS field crews out in the floodwaters over the holiday.

USGS crews had two research vessels out measuring streamflow on the Mississippi River at St. Louis on New Years Eve. USGS scientists Eric Looper and Jason Carron are one of many USGS field crews out in the floodwaters over the holiday.

USGS scientists Chris Rowden and Larry Buschmann dock the boat and coordinate with emergency managers.

NBC Nightly News not only came out to interview USGS field crews on the Mississippi, they brought a team to fly overhead and capture video with a drone.

Local CBS 4 affiliate KMOV interviews USGS scientist Paul Rydlund from the Mississippi River in St. Louis.

CNN interviews USGS National Flood Coordinator Bob Holmes live from the Mississippi River in St. Louis.

USGS scientists Chris Rowden, Larry Buschmann and Bob Holmes were on the Mississippi River at St. Louis taking streamflow measurements on New Years Eve. This information is critical to the National Weather Service, the U.S. Army Corps of Engineers and emergency managers in making flood predictions and response.

CNN interviews USGS National Flood Coordinator Bob Holmes live from the Mississippi River in St. Louis.

CNN interviews USGS National Flood Coordinator Bob Holmes live from the Mississippi River in St. Louis.