You can find reports from numerous 3rd parties and outlets via search. Recommended are Messari reports, Xangle, and others linked below. Typically these are shared in Discord, Twitter, and newsletter channels in real-time. You can also find quarterly recaps created by the Stacks Foundation at stacks.co/updates and you can review 3rd-party audits of the Stacks blockchain here.
On Bitcoin Layers/Ecosystem: