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 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.

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

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

Exclusive: Site takes a cut of subscriptions to content that promotes far-right ideology, white supremacy and antisemitism ...

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

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 ...