New data suggests an eruption cooled Europe, disrupted harvests and pushed Italian states into grain trades that may have begun one of history’s deadliest pandemics.

Here's what it was like at Kathy Hilton's annual PJ Christmas party, plus the Bravo star teases the new season of "Real Housewives of Beverly Hills."

For years, parents, teenagers, pediatricians, educators and whistleblowers have pushed the idea that social media is detrimental to young people's mental health and can lead to addiction, eating disorders, sexual exploitation and suicide. In Los Angeles on Wednesday, a jury found both Meta and YouTube liable for harms to children using their services. In New Mexico, a jury determined that Meta knowingly harmed children’s mental health and concealed what it knew about child sexual exploitation