Alright, glad to meet another with common interests.
Ya history channel or PBS is where I see the documentaries. I love Nova, Cosmos (with Carl Sagan) when I get chances to catch it.
Now days I don't wait to hear stuff on the news, rather I go to the source on the internet.
www.nasa.gov
Btw the most up to date news is concerning under the Phoenix, assumed to be blown away from the Jet thrusters during landing, is what they think is ice.



Or for the complete panarama around the Lander
http😕/www.nasa.gov/images/content/233701main_site_pan_001_001.jpg (large full resolution pic)
And for the Latest Phoenix news:
http😕/www.nasa.gov/mission_pages/phoenix/main/
Also Mars Exploration Rovers are still working (though degrading and experiencing some major challenges)

The Latest Rover News:
http😕/www.nasa.gov/mission_pages/mer/index.html
And here is a size comparison of the different landers.