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

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 ...

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

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

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

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

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.

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 Republican former president's essay centered on first leader George Washington, from his "humility" to slavery links.

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