Most blogs are also newsletters.
Great tip is to always go to the "most popular/best posts" section if the blog has one.
Wait But Why
Melting Asphalt
James Clear Blog
Farnam Street
Investors Field Guide
Mark Manson
Michael Simmons on Medium
Cal Newport Study Hacks Blog
Praxis by Tiago Forte
Ribbonfarm
Breaking Smart
Meaningness
Collaborative Fund
Scott H Young
Letters of Note
Aeon Magazine