A couple years I looked for a similar service and failed to find it. I did however find this incredible podcast network called New Books In where they interview authors about their new books. It's a massive network that's broken down by categories that can get pretty niche. Everything from "Digital Humanities" to "Diplomatic History" to "Critical Theory". Episodes appear in multiple categories so broad categories like "Science" also exist

https://newbooksnetwork.com/subscribe

It's definitely biased towards academia which I personally see as a pro not a con