[lotsofpulp]

Historically, MIT is not an acronym since it’s not pronounced as a word. MIT is just an abbreviation (specifically an initialism), while NASA is an acronym.

https://www.merriam-webster.com/dictionary/acronym

I don’t think there’s any rules about capitalization and acronyms, as scuba and laser are acronyms, and not capitalized, but NASA is. I’ve also never seen Nasa, it’s always all capitals NASA.

[breitling]

Look at this: https://www.bbc.co.uk/blogs/collegeofjournalism/entries/8f7c...

[hadrien01]

That's just how the BBC writes acronyms, Nasa themselves write their name all-caps.