Jim Acosta, the frequent Donald Trump antagonist who was all but pushed out by CNN earlier this year, may not be the type of person you’d suspect would be a hit on Substack. In fact, when he signed ...

Substack, originally a newsletter service, says its app now has millions of users interacting with its creators. By Benjamin Mullin and Jessica Testa Substack began its life as a buzzy newsletter ...

Newsletter and publishing platform Substack announced $100 million in Series C funding, led by technology investment firm BOND and Peter Chernin’s The Chernin Group (TCG). Also participating in ...