mysterious sphere

The 1.5m diameter hollow sphere is sparking much speculation on social media about the object's origin.

Some believe the mysterious Betz sphere, a steel ball found on their property by a Florida family in 1974, is a piece of alien technology.

The mysterious sphere illuminates the western night sky of the country, causing local residents and scientists to wonder about its origin.

A brilliant glowing sphere was discovered flying apart from a mysterious object in the sky of California, USA recently.

Steve Hornsby - a man who lives in Bournemouth, England - said that more than a dozen green 3cm diameter balls fell on the lawn in the garden late in the afternoon of January 27 in

The Colombian people were surprised to see a giant fireball appear in the sky, then plunged down the mountain last weekend.