After a century of study, physicists have theories — but they’re still not 100% sure.

Skinfluencers swear topical salmon-sperm serums will make your skin glow. The reality is a bit less impressive. This is Optimizer, a weekly newsletter sent every Friday from Verge senior reviewer ...

Jeffrey Mundt was acquitted of murder but convicted of tampering with evidence in the 2009 Old Louisville murder of Jamie Carroll. Learn more about the man at the center of the new HBO docuseries.