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 is updating its peer-to-peer recommendation system, the company announced today. With this new update, Substack is helping writers aid other writers in expanding their reach and potentially ...

The company that started as a newsletter platform has rapidly expanded to different content formats. The company that started as a newsletter platform has rapidly expanded to different content ...