Dr. James McCaffrey presents a complete end-to-end demonstration of linear regression with two-way interactions between ...

Your next K-beauty haul or Amazon splurge might come with an unwelcome surprise: hefty tariff fees, even if you didn't realize you're buying from overseas. A month after President Trump eliminated its ...

True crime. Real justice. "48 Hours" is the one to watch on Saturday nights. Our 38th season premieres Saturday, Sept. 27, 2025. The Boy Who Killed His Twin: A teenager stabs his sister - a crime with ...