Skip to main content
U.S. flag

An official website of the United States government

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.

Search News

Displaying 851 - 875 of 3679

New Tool for Breast Cancer Screening

A little over three years ago, NIST scientist Katy Keenan came back from a conference with an ambitious idea: to improve the quality of magnetic resonance

Quantum Spin Squeezing Gets Real

Today's atomic clocks are ridiculously accurate. The best of them tell time so well that if they had been running since the Big Bang, by now they would not have