Ball lightning explained - and it's not antimatter or aliens

Australian scientists have come up with a new theory to explain the eerie phenomenon known as ball lightning.

Scientist explains away UFO sightings

An Australian physicist says he's solved the mystery of a series of UFO sightings over South-East Queensland in May 2006.

Ball lightning could be hallucination, say physicists

Ball lightning may be all in the mind, according to scientists at the University of Innsbruck.