Elizabeth Saunders and Kian Tajbakhsh discuss President Trump’s decision to attack Iran, assessing the value of weakening an ...

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

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

In January, Anthropic “retired” Claude 3 Opus, which at one time was the company’s most powerful AI model. Today, it’s back — ...

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.

AI disrupts software, which leads to software-backed loan defaults. The pace of AI disruption is not contained to software in this scenario: AI agents, vibe coding, and autonomous driving come for the ...

Interview with Beehiiv CEO and co-founder Tyler Denk about the newsletter platform's support for journalists and how it ...

Anthropic retired a popular AI model and now it's blogging on Substack ...

Substack says hackers accessed user emails, phone numbers, and internal metadata in October 2025, with a database of 697,313 ...

Bush doesn’t name Trump in his first essay, but since his successor continues to openly drool over staying past his two-term ...

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 ...