A tomb that may have been built for a close friend of Alexander the Great may be aligned with the winter solstice.

When two spelunkers investigated what they thought was trash in a cave in Mexico, they discovered more than a dozen artifacts ...

This statue covered in gold leaf and semiprecious stones may have been used in ancient Mesopotamian sunrise rituals.

But when parrots live with people, they don't have any flockmates to learn "parrot" from. Instead, they use their highly ...