Please select another video.
Silence! Scientists are listening to the universe
The area surrounding the Green Bank Radio Telescope may be the quietest place in America, banning cell phones, Wi-Fi, and other transmitters. NBC’s Kevin Tibbles reports.
Full Episodes of Nightly News
Watch full episodes of NBC’s Nightly News with Lester Holt.
Keeping you Healthy
Stay up-to-date on the latest health and medical news.
Watch our intimate, first-person documentary shorts about people, places and stories you may not have otherwise discovered.