Scientists have finally decoded the mystery behind a whitish, grey patch that sometimes appears in the night sky alongside the northern lights. Researchers from the University of Calgary provided ...

Sometimes, a glowing, whitish-gray patch appears in the sky next to the northern lights. Researchers at the University of Calgary have finally explained the phenomenon for the first time.

Developing a patch or streak of grey hair while the rest of your hair retains its natural colour also has a name – poliosis – and is a genetic condition. What factors influence when and why ...