Crash Course Pods, Complexly
The Royal Astronomical Society
Fraser Cain
Stuart Gary
Astronomy Cast
Paul Duffell
Astrum
theliuniverse
Professor Fred Watson and Andrew Dunkley
TWiT
McDonald Observatory
365DaysOfAstronomy.org
Synthetic Universe
Multitude
bitesz.com
BBC Sky at Night Magazine
American Astronomical Society
IFLScience
Paul & Dr Jeni
Dean Regas