How Questions Over a Spy Balloon and U.F.O.s Fed a Crisis Between the U.S. and China

U.S. officials now suspect that the balloon was sent to spy on bases in Guam and Hawaii and that recent U.F.O.s were not surveillance machines. Washington’s evolving view reflects U.S. and Chinese difficulties in discerning each other’s intentions.

Author: Edward Wong Julian E. Barnes and Adam Entous