The new partnership will allow Substack users to integrate Polymarket's prediction data directly into their content.

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

Substack says hackers accessed user emails, phone numbers, and internal metadata in October 2025, with a database of 697,313 ...

The 43rd president of the United States launched a Substack site Feb. 16 with a 1,500-word tribute to a predecessor.

Substack has allowed for the inclusion of Polymarket embeds into blogs since 2024, and the new update mostly seems like it will streamline the process. Notably, the prediction charts can now be added ...

Substack won't share official numbers, but it seems like a pretty significant data breach.

Substack, the hugely popular online content platform with 50 million active subscribers, has confirmed it has been hacked. Here’s what you need to know.

The hacker claims to have stolen nearly 700,000 Substack user records, including email addresses and phone numbers.

Forbes contributors publish independent expert analyses and insights. Karin Eldor covers entrepreneurs and leaders in fashion & lifestyle. The momentum hasn’t slowed. Every time I went to hit publish ...

Charli XCX, Doechii, and Troye Sivan are some of the artists publishing essays that challenge perceptions of stardom ...

If your plan is to run a newsletter as a hobby, Substack is perfect—it’s free, easy to set up, and makes sending out emails and building a subscriber base fairly straightforward. The problem comes if ...