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 co-founder Hamish McKenzie says that creators jumping ship from 'mainstream media' like Jim Acosta, Joy Reid and Mehdi Hasan are a big driver of the growth. By Alex Weprin Senior Editor ...

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 ...

Before June 8, the skilled and respected ABC News television journalist Terry Moran was neither a household name nor political lightning rod. That changed abruptly when Moran posted on X that Donald ...