A remarkably well-preserved fossil found in Spain is the most complete stegosaur skull ever discovered in Europe.

But what is it about a smile that makes it feel sincere or fake? The answer lies in a blend of facial anatomy and emotional authenticity.

The nba is one of the most popular sports leagues in the world, but only two of the top ten most watched nba games of all time were played since 2000. One of those games was Game 7 of the 2010 nba ...