Nanhohertz gravitational waves animation (VIDEO) Chinese Academy of Sciences Headquarters This video is under embargo. Please login to access this video. Caption Chinese scientists has recently found key evidence for the existence of nanohertz gravitational waves, marking a new era in nanoHertz gravitational research. Credit Video by CAS New Media Lab Usage Restrictions News organizations may use or redistribute this video, with proper attribution, as part of news coverage of this paper only. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.