Wolves are fast, but they cannot keep up their top pace for long. At an easier pace, they can lope along for days, with few stops. ...

Birds live all over the world, so wherever your home might be, take a look out the window! You’re likely to see a backyard bird or two. ...

Scientists once thought stegosaur brains were only the size of a walnut—but more recent research shows they were about the size and shape of a crooked hot dog. ...

River otters never seem to get enough mud sliding! They slide down steep riverbanks and dive headfirst into the water. They may keep this up for hours. ...