www.nist.gov

National Institute of Standards and Technology

https://www.nist.gov/

NIST promotes U.S. innovation and industrial competitiveness by advancing measurement science, standards, and technology in ways that enhance economic security and improve our quality of life.

www.nasa.gov

NASA

https://www.nasa.gov/

NASA.gov brings you the latest news, images and videos from America's space agency, pioneering the future in space exploration, scientific discovery and aeronautics research.

www.usgs.gov

USGS.gov | Science for a changing world

https://www.usgs.gov/

We provide science about the natural hazards that threaten lives and livelihoods; the water, energy, minerals, and other natural resources we rely on; the health of our ecosystems and environment; and the impacts of climate and land-use change. Our scientists develop new methods and tools to supply timely, relevant…

www.sec.gov

SEC.gov | Home

https://www.sec.gov/

Skip to search field Skip to main content An official website of the United States government Here’s how you know Here’s how you know Official websites use .gov A .gov website belongs to an official government…

www.federalreserve.gov

Federal Reserve Board - Home

https://www.federalreserve.gov/

The Federal Reserve Board of Governors in Washington DC.