A number of military pilots testified before Congress recently about unexplained objects seen in airspace.
Scientists, including those at NASA, are interested in studying UFOs or, as they’re now called, UAPs — unidentified anomalous phenomena. But there’s a big challenge; it’s difficult to collect the data to draw scientific conclusions.
Alan Tu of WHYY’s The Pulse reports.
This article was originally published on WBUR.org.
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