The Teamsters, one of the nation’s largest and most diverse unions with 1.3 million members, unveiled a Substack newsletter Monday, becoming the first major union to use the online forum to reach ...

Lena Dunham and other writers are using Substack to reach readers directly and sell more books. It’s hard enough to publish a book, but getting people to buy it is an entirely different battle. As new ...

When a Substack executive approached former Vanity Fair and New Yorker editor Tina Brown about starting a newsletter on the emerging platform, she was hesitant to join. These days, she’s all in, ...

“Democracy for Sale is not paywalled but, like The Guardian, asks for reader support to keep it free for all. It has almost 50,000 subscribers and nearly 1,500 paying readers … [Editor-in-chief Peter] ...