[Every Morning]
NPR News Now (refreshes every hour)
Up First (the NPR Morning Newscast)
The Daily (Michael Barbaro's daily deep dive into a news item)
This Day in History

[Daily while driving, walking the dog, etc...]
The Indicator
Planet Money
Marketplace
Marketplace Tech

[Also, when they update]
Make Me Smart (Updates once a week)
Deep State Radio (Updates twice a week)
Rational Security
FiveThirtyEight Politics
Bombshell (Three women in National Security. Great stuff. Spun off from War On The Rocks)
It's Been A Minute

[Sometimes, if it's about something I find interesting]
On The Media
Lawfare Podcast
Foreign Policy Editor's Roundtable
Invisibilia
Stuff You Missed In History Class
The Axe Files
Hidden Brain
Radio Lab

[Podcasts I love, and save up for long drives]
99 Percent Invisible
The Memory Palace
Revisionist History
After-On (My very favorite of them all)
Long Now Seminars
Conversations At The Interval

I particularly recommend the last three. The episodes are long -- typically over an hour each -- but very, very informative.