An official website of the United States government
Here’s how you know
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Scientists are getting closer to creating a living cell from scratch. It could help treat diseases or even create life forms that can be better adapted to space.
Different countries' approaches can lead to different definitions of the kilogram. But NIST is working with our international partners to see how we can close those tiny gaps.
Like many people, I had dreams of flying into space as an astronaut when I was a child. That interest in aerospace and space exploration has continued throughout my life.
During Women’s History Month, a NIST librarian looks back at the librarian who brought us the bookmobile — back when it brought books by horse and buggy.
When you buy something by weight or volume, you want to get what you pay for. And we’re helping to make sure that happens — whether you shop online or in a store.
If you’ve resolved to be a more eco-conscious consumer this year, learn about how NIST’s circular economy lead thinks about plastic packaging in our everyday lives.