All species on Earth, both living and extinct, are related. We know this because of a biological tool called the tree of life. This "tree" takes the form of a diagram that maps the relationships ...

One of her most widely shared drawings came during olive harvest season. In it, an olive tree stands firm, its roots spelling "Palestine" in Arabic. The leaves carry the colors of the Palestinian flag ...

This archived news story is available only for your personal, non-commercial use. Information in the story may be outdated or superseded by additional information. Reading or replaying the story in ...