This is guaranteed to take your breath away: Put on a mask, don a pair of fins and plunge into the deep blue. You're on your own. Welcome to the sport of freediving, in which there are no air tanks, ...

On a crisp February day, a small party walks on the frozen-over Lake Weissensee in the Austrian Alps. The crunch of the ice under their cleats intermingles with their voices—the sounds of anticipation ...

A self-styled 'mermaid' risks her life whenever she dives with giant sharks like great whites - but does it all in the name of science. Blue-haired Nandile Ndhlovu, 33, is a diving instructor who is ...

When I was a young girl, I was obsessed with mermaids – beautiful mythical creatures in books and movies, and gorgeous women in aquariums who waved at children and blew kisses. I so badly wanted to be ...