Substack on Thursday announced the launch of its Creator Accelerator Fund, which provides a $20 million funding guarantee aimed at helping creators grow their audience and move their paid subscribers ...

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.

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 ...

Publishing platform Substack and prediction market Polymarket announced a new partnership on Wednesday. The new partnership will allow Substack users to integrate Polymarket’s prediction data directly ...

Newsletter platform Substack is introducing the ability for writers to send videos to their subscribers via Chat, its private community feature, the company announced on Wednesday. The rollout of ...

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

As TikTok’s future hangs in the balance, the newsletter platform is trying to scoop up video creators. As TikTok’s future hangs in the balance, the newsletter platform is trying to scoop up video ...

The report says that one of the newsletters — NatSocToday — with 2,800 subscribers, features a swastika as its profile picture and is thought to have been created by a US far-right activist. The ...

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

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 ...

Like clockwork, every Wednesday morning, Russ Thornton, an Atlanta-based advisor who specializes in helping women with retirement planning, publishes a financial newsletter called “Wealthcare for ...