In May, the US space agency NASA held its first public meeting on the issue, and urged a more rigorous scientific approach to clarify the origin of so-called unidentified anomalous phenomena (UAPs).

今年5月，美国宇航局就这一问题举行了首次公开会议，并敦促采取更严格的科学方法来澄清所谓的不明异常现象的起源。