A polluted tailings pond at the Kennecott Utah mine has sunk 20 feet or more, raising concerns that it has seeped contamination into the neighboring Great Salt Lake.

In the early summer of 1962, a stretch of marshland on the eastern edge of Kolkata began its transformation into what would ...

Discover the top 10 most beautiful lakes to visit in 2025, from Russia’s ancient Lake Baikal to Italy’s elegant Lake Como.

Lake Natron is a soda lake in northern Tanzania with a volcanic geology that maintains the water's pH around 10.5, which is almost as caustic as ammonia. Some life-forms thrive there nevertheless.

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.