Not too far to the northwest of Mount Kilimanjaro, Africa's tallest mountains, there lies a lake with an unbelievably but also undeniably pink lake. Today, we're getting to the bottom of why and ...

The waters of Senegal's Lake Retba are back to their famous pink hues three years after floods washed away their rosy tinge—and businessfolk and tourists are thrilled. No sooner had the news hit ...