For decades, scientists have struggled to observe these underwater waterfalls of dense water around Antarctica. They occur in some of the most remote and stormy waters on the planet, often ...

Related: Blood Falls: Antarctica's crimson waterfall forged ... The Denmark Strait cataract isn't the only known underwater waterfall, although other documented cascades can't compete with it ...

One of the more striking phenomena is Antarctica's Blood Falls – a waterfall whose main claim to fame is its cascade of crimson waters. Does such an unsettling-sounding waterfall actually exist?

BUENOS AIRES, July 22 (Reuters) - Scientists have discovered an active methane seep from Antarctica's sea bed ... a colleague described as a "microbial waterfall" during a dive in the icy waters ...

After exiting the Denmark Strait, the bottom half continues south along the seabed to the Antarctic ... Strait cataract isn't the only known underwater waterfall, although other documented ...