They could have missed the massive visitor in a matter of seconds.

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 ...

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

For generations, Lake Victoria supported one of the world’s richest freshwater ecosystems. Beneath its surface lived hundreds ...

When it comes to fishing, reeling in the biggest one is often the goal. But as it turns out, leaving the largest and oldest fish in the water can help entire fish populations cope better with ocean ...