Jim Acosta, the former CNN anchor known for antagonizing President Donald Trump during his first term, did not know what Substack was two months ago, when he was suddenly on the outs with the network ...

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

As TikTok's future in the U.S. remains in limbo, startup Substack is going after video creators in a move to expand its platform. The San Francisco startup on Thursday announced that creators can now ...

Substack, a platform known primarily for newsletters, is launching a TV app for Apple TV and Google TV. The company announced on Thursday that the beta app will allow subscribers to watch video posts ...

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

Substack continues to double down on video amid TikTok’s uncertain future in the U.S. The company announced on Monday that it’s rolling out a scrollable video feed in its app, making it the latest ...

In 2025, everybody in fashion has a Substack. At least, that’s what it looks like, judging by my increasingly crowded inbox. Has it reached a saturation point? In March, Substack hit five million paid ...