While paclet intallation seems to work:
unfortunately, access to material does not work:
What makes me suspect a problem with Mathematica is that going to :
I get access to the "Image of the day" description :
which I can then download without problem...
This shows that I can access the NASA API and that the problem seems to come from my version of Mathematica...
As URLFetch has been superseded by URLRead and URLExecute since version 11 could this be the origin of the problem ?
Does anyone else meet the same issue ?