While NASA's mission involves studying the universe and searching for signs of extraterrestrial life, the agency has not actively attempted to contact or communicate with alien civilizations. NASA focuses on scientific research and exploration to better understand our place in the cosmos. There have been scientific proposals and discussions within the scientific community on possible future attempts to communicate with extraterrestrial intelligences, but these remain speculative and are not part of NASA's current programs. If NASA or any scientific organization did make a discovery that strongly suggested the existence of intelligent alien life, the scientific community would likely proceed with caution and careful ethical considerations before attempting any form of communication.