KAO KALA, Thailand—Everybody from fund managers to jet-setting diplomats is talking about the world's center of gravity shifting to Asia. Now, extraterrestrials appear to be taking notice, too.

Trackers in Colorado at the Mutual UFO Network, one of the oldest unidentified-flying-object research organizations in this world, say that since the slump of the Western banking system in 2008, UFO sightings among Asia's fast-growing economies have accelerated. Suspicious UFOs have shut down airports in China, buzzed resorts in Borneo...