mystery

Mystery of why hundreds of elephants dropped dead

Las Vegas is suddenly full of pigeons wearing tiny cowboy hats

Mystery surrounds £2,000 bundles of cash left lying around village

What made all these trees in Poland crooked?

Skeleton hijacked by Nazis baffles archaeologists

Earth has a strange hum that people are hearing around the world

UFO footage shows pilots chased by circular object

Half-man half-owl creature spotted in Cornwall

Global network's nuclear sensors in Russia went offline after mystery blast

This mysterious CIA sculpture has stumped code breakers for 30 years

Mystery of field mice jumping to their deaths

Arizona's swastika-shaped buildings spark questions

Mysterious objects found under moon's largest crater

'New suspect' in Madeleine McCann disappearance

Mystery over alien-looking creature at bottom of ocean

Family spot mystery panther-like creature

The mystery of the 'nightmare syndrome'

NASA captures Moon appearing to pause and move in reverse

Scientists may have solved the mystery surrounding green icebergs

China's military-run space station in Argentina is a 'black box'