The ‘megafish’ living in southeast Asia’s Mekong River once faced extinction. A new rapid response system is helping reverse ...

Add Yahoo as a preferred source to see more of our stories on Google. Alessandro Biancardi with the pending world-record Wels catfish. Although it's hard to say for sure, this is likely the biggest ...

The scientist outstretches his arm as he rushes toward the largest fish in the sea. He keeps a white-knuckle grip on his camera, his dive fins thrashing, propelled by what he knows is a razor-thin ...

From river giants to land-dwelling beasts, these are the biggest creatures walking, swimming and flying across our planet ...

The vast oceans of Earth house some of the most spectacular, awe-inspiring giants of the natural world. Far from mere ...