Nell Greenfieldboyce Nell Greenfieldboyce is a NPR science correspondent.
Nell Greenfieldboyce 2010
Stories By

Nell Greenfieldboyce

The moon is generally thought to be a dry place, and the discovery of water on its surface comes as an unexpected — and exciting — surprise for researchers. Carolina K. Smith/iStockphoto.com hide caption

toggle caption
Carolina K. Smith/iStockphoto.com

This radar image taken by Cassini in July 2006 of Titan, one of Saturn's moons, provides convincing evidence that it is covered by large bodies of liquid. NASA/JPL/Space Science Institute hide caption

toggle caption
NASA/JPL/Space Science Institute

This 'butterfly' nebula was captured with Hubble's newly updated imaging. NASA hide caption

toggle caption
NASA

Both young infants and dogs sometimes ignore what they see with their own eyes and instead trust a human "teacher." Dogs may have evolved this trait to help them live with people. hide caption

toggle caption

Inuit Hunters Help Scientists Track Narwhals

  • Download
  • <iframe src="https://www.npr.org/player/embed/111980557/112014821" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Chasing After The Elusive Narwhal

  • Download
  • <iframe src="https://www.npr.org/player/embed/111865328/111976236" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

What Do Kids Think Of Another Moon Shot?

  • Download
  • <iframe src="https://www.npr.org/player/embed/106824853/106824830" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Astronauts move the lunar camera onto a tripod on the moon. NASA hide caption

toggle caption
NASA

Houston, We Erased The Apollo 11 Tapes

  • Download
  • <iframe src="https://www.npr.org/player/embed/106637066/106677822" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Robot Mowers Take The Sweat Out Of Lawn Care

  • Download
  • <iframe src="https://www.npr.org/player/embed/106301575/106358227" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript