British photographer and wife wiggle their toes across the globe

Photo project asks the public to document environmental issues and everyday life

A short selection from one of our favorite photographers

New discovery could double solar electricity output

Terrific travel pics from Bay Area photog

Saltmarshes of Guerande photographed by Paul Morin

Behind the scenes at Vienna's Museum of Natural History

A fashion photographer heads back to his roots

Top nature shots from Nat Geo's 2011 photo contest

British photographer documents her travels through the American southwest