The phenomenon isn't a new one, but scientists have only recently come up with a convincing explanation for why it happens.

In Antarctica, there’s a natural phenomenon that, for more than a century, has surprised scientists and explorers: an intense red flow of water pours out of ...

Beneath Taylor Glacier, several kilometres away from where Blood Falls emerges, there is a subglacial pool. It formed millions of years ago below hundreds of metres of ice. The water there has very ...

Antarctica sometimes reveals its hidden plumbing in dramatic color. At Taylor Glacier in the McMurdo Dry Valleys, a rust-red seep known as Blood Falls has puzzled observers since 1911. The spectacle ...