The newspaper names have a definite article because there is only one.
However, in common usage, the name always takes a definite article.
That and Those are the same as the definite article.
They may also take the definite article as explained above.
And what about the simple definite article in the title?
American marketing has been leaving the definite article off things for years.
Another typical form is to name the group using a definite article.
The definite article in the name fell out of use quite early.
Both usually used with the definite article: the clear, the cream.
Over the decades following the turn of the 20th century, the definite article was dropped from the place name.