Pontiffs have been players in global affairs for hundreds of years. Pope Francis carved out his own form of global influence.

What Would a World Without Humans Look Like? Ponder the ecological changes and natural recovery of a planet devoid of human influence. White House unveils new policy for reporters using gender ...

Today is the safest time, without fail ... So when we're looking at how to free the world of war, particularly when we've argued that it's part of human nature, you have to look right across ...

Abandoned cities like Pripyat, Ukraine, and forgotten amusement parks like Dreamland in Beijing, China, give us an idea of what that world might look like if we weren't around anymore.