Newsletter platform Substack recently unveiled a new feature that allows users to scan posts of 100 words or more to find out what percentage was AI — and it's polarized the community.

More and more writers are using AI, and sometimes their readers don't know that. Wanan Yossingkum/Getty Images More and more, we want to know: Is it human, or is it AI? Is that image real? That song?

The digital publishing platform Substack has told some of its users that their data was stolen in a security breach. The affected account holders had their email addresses and phone numbers scraped in ...

Substack is giving readers a way to check whether the post they’re reading was written by a human or by a chatbot. The company has partnered with AI-detection firm Pangram to introduce new tools that ...