Katy Perry surprised fans at Rock in Rio by going into the crowd to hang out and take photos with them before her performance in Brazil on Friday night.

Here's a look back at all the celebrities whose facial features have changed thanks to dramatic weight loss, and what we know ...

I have known Cornel West since 1972 when we met during my first year at Harvard. I have followed him over the years and felt, ...

Politicians — including those from North Dakota, Minnesota and Montana — fell for Adolf Hitler’s ‘Big Lie’ in the 1930s, and ...