With about 100 million visits per day, Pornhub is one of the biggest websites on the planet. This four-part series pulls back the curtain on the scrappy, Montreal-based startup that revolutionized sex on the internet — and the massive scandal that exposed its dark side. The Pornhub Empire, season...

Avril Lavigne was a punk pop sensation who topped the charts in the early noughties, and she still performs to sold-out crowds today. But what if the Avril we’ve been following all these years is not the same Avril we fell in love with? What if — as a curious theory claims — Avril was replaced by...