Add Yahoo as a preferred source to see more of our stories on Google. To figure out how long ago fish first appeared on Earth you need a way to measure really, really long time intervals. Clocks ...

The first fish to crawl onto land 375 million years ago was discovered in 2004. It became a media darling. Now, for the first time, you can see it in person. Ted Daeschler, who discovered the first ...

The fox froze. Inches from his paws, frenzied, spawning carp writhed in the shallow water along a reservoir’s shore. In a sudden flash of movement, the fox dove nose-first into the water, emerging ...