Two schoolgirls collapsed in terror following a sighting during a visit to a haunted abandoned school.
A woman with a rare neurological condition collapses every time she laughs.
Toxic chemicals and pathogens are likely to blame for bee colony collapse according to new research.
New research on the Maya civilization which is believed to have collapsed due to its overuse of natural resources and sl...
Scientists have for the first time identified and treated what is believed to be the cause of honey bee colony depopulat...
A new study has suggested that there could have been more to the collapse of Easter Island's society than deforestation....