New data suggests life could exist on moon of Saturn, torture for toddler, plus an unfortunate choice for Olympic mascot report

Journeying across the Siberian taiga in search of the strange 'cauldrons' said to have been left by alien visitors - or ancient demons

A record - and neck - breaking beard

The human body's response to extreme cold is bizarre and little understood

A former missionary who collected firsthand accounts of apparitions from natives of the Isle of Skye for the BBC

Famous 1950s sighting of "jellyfish-shaped" mothership finally explained