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

Journalism is better when it’s backed by live markets,” Polymarket’s X account said in a post announcing the deal.

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 ...

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

Substack said that customer data was accessed in October 2025, but wasn't discovered until early February.

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