In our complete guide to bird lifecycles, we lead you from nesting and hatching all the way back to the mating season.

A salmon mass mortality event caused by a bacterial outbreak has given scientists "a lot of genetic knowledge" to put to use ...

The ability of some animals to dynamically change color to match the brightness of their surroundings is one of nature's ...

Fish species living in the deep sea feature a surprisingly large range of body shapes that evolved in different ways and at ...

Cole & Jay catch a giant new pet fish to give to their baby.

What's your favorite apple? Maybe it's the crowd-pleasing Honeycrisp, the tart Granny Smith or the infamous Red Delicious.