General Restrictions: Images and other media in the Multimedia in the News section of the NSF Multimedia Gallery are for use by the news media only. All other users must obtain permission from the image owner, listed in the credit above, before using the visual material.
Images credited to the National Science Foundation, a federal agency, are in the public domain. The images were created by employees of the United States Government as part of their official duties or prepared by contractors as "works for hire" for NSF. You may freely use NSF-credited images and, at your discretion, credit NSF with a "Courtesy: National Science Foundation" notation. Additional information about general usage can be found in Conditions.