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 ...

Substack data breach exposed user email addresses and phone numbers for months before CEO Chris Best confirmed the October ...

Interview with Beehiiv CEO and co-founder Tyler Denk about the newsletter platform's support for journalists and how it ...

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, ...