By — William Brangham William Brangham By — Solveig Rennan Solveig Rennan By — Madison Staten Madison Staten By — Satvi Sunkara Satvi Sunkara By — Juliet Fuisz Juliet Fuisz By — Alexa Gold Alexa Gold By — Zoie Lambert Zoie Lambert Leave your feedback Share Copy URL https://www.pbs.org/newshour/video/horizons/2026/06/the-science-of-dad-brain-and-how-fatherhood-changes-men Email Facebook Twitter LinkedIn Pinterest Tumblr Share on Facebook Share on Twitter Story While most scientific research has focused on men, when it comes to parenthood, it's all about mothers. But new research shows that men undergo profound changes biologically and psychologically when they become fathers. Horizons moderator William Brangham explores the surprising science of "Dad Brain" with Darby Saxbe. By — William Brangham William Brangham William Brangham is an award-winning correspondent, producer, and substitute anchor for the PBS News Hour. He also serves as the host of Horizons from PBS News. @WmBrangham By — Solveig Rennan Solveig Rennan Solveig Rennan is a producer of national affairs for PBS News Hour and Horizons. By — Madison Staten Madison Staten By — Satvi Sunkara Satvi Sunkara Satvi Sunkara is a producer for PBS News. By — Juliet Fuisz Juliet Fuisz By — Alexa Gold Alexa Gold Alexa Gold is an associate producer for PBS News. By — Zoie Lambert Zoie Lambert Zoie Lambert is an associate producer for PBS News.