Scientists Solve Century-Old Mystery of Antarctica's Blood Falls

Brief By The Indian Express / 8:10 PM on 03 Jul 2026

Scientists have solved the 100-year mystery behind Antarctica's Blood Falls, confirming the red water is iron-rich, salty brine trapped beneath Taylor Glacier—not blood. When exposed to oxygen, the iron oxidises, creating its distinctive crimson colour. High salt levels prevent freezing, allowing the ancient brine to remain liquid beneath one of Earth's coldest glaciers.