When two Olympic pools at Rio turned from azure blue to bright green earlier this week, people around the world were left scratching their heads. The answer is not – contrary to popular assumption – ...

Goodbye, green. Hello again, blue. Hope you can stick around awhile. Synchronized swimmers were greeted by clear blue water in the competition pool Sunday after officials worked through the night to ...

Pool for show? Redditors question empty society pools as brokers say flats with pool access often command a 10% premium ...