People compare how aliens would reconstruct animals based on their skulls vs. what they really look like (28 pics) About 500 million years ago, not a single creature had a skull. Over time, these bony ...

Witness the incredible moment a giant panda gives birth and see why this rare event moved the zookeepers to tears, capturing ...

So you think you're clean? You shower or bath every day, brush your teeth and wash your hands... Job done. Well, not quite.