All puppies are cute but not all puppies look like their parents. These breeds see the most changes from puppyhood to adulthood.

The Argentine black and white tegu lizard is a non-native, invasive species distributed throughout Florida through escapes or ...

“With enough resources, goldfish can grow very quickly, especially in the absence of top predators,” says Christine Boston, an aquatic and research biologist with Fisheries and Oceans Canad ...

Not all pets are lucky enough to grow up in a safe environment. Here we present some animals with whom fate has not been so ...

It doesn't take long for fawns to grow to the point where they can walk with adult deer. However, if you see a fawn by itself ...

Tucked in a small habitat in Shedd Aquarium’s Polar Play Zone, a group of tiny orange-brown sea stars tell a much bigger ...