There are multiple style guides. Your article should conform to the one selected by your publication.
In the most common case all words in a title must be capitalized, except:
a) articles (a an the),
b) conjuctions (and or but nor),
c) short prepositions that are not part of a phrasal verb with a length limit of 3 or 4 letters. A phrasal verb is a widely understood combination of a preposition with a verb that modifies its meaning (Send In the Clowns, Wake Up and Smell the Ashes).
The last word is always capitalized regardless of its category.
Into, From, Over are 4 letters long. Some style guides require these to be capitalized, others do not.
Less commonly: all long prepositions are lowercased, long headlines might use sentence case.
https://titlecaseconverter.com/
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