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 ...

At first glance, it looks like something is wrong. A strange, floating slab of flesh rises beside a fishing boat, as if the rest of the animal is missing. But this is not a half eaten fish or the ...

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

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