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

Publishing platform Substack and prediction market Polymarket announced a new partnership on Wednesday. The new partnership ...

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 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.

Michael Burry of "The Big Short" fame has shifted from virtual silence to answering questions about his personal and ...

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 ...

The popular online SF universe from top creators Jonathan Hickman, Nick Spencer, Mike Del Mundo and Mike Huddleston will debut in stores this July.

Substack CEO Chris Best says AI could flood feeds with junk — or empower independent creators to spark a cultural renaissance.

Substack has taken advantage of a new model for the internet, where subscriptions for content are increasingly becoming the norm. The website is the current king of paid newsletters, where writers ...