Some paleontologists think that fossils recovered from Antarctica are evidence of birds similar to modern geese and ducks ...

Cats are one of the most captivating creatures in the animal kingdom. They are graceful yet incredible hunters, seemingly ...

The female reproductive system includes internal and external organs, each designed to carry out varying functions. Learn ...

Scientists are starting to understand more about the small heart muscle fibers that Da Vinci showed in his illustrations over ...

Above the shores of prehistoric seas and lakes, pterosaurs roamed the skies. They were feathered creatures that ranged in ...