The Bachelor's degree is generally not appended to the signature so presumeably you mean two graduate degrees. Keep in mind that even then appending the degree to your signature is usually done only in a professional capacity. In that case you use only one degree, either the senior one or the one which applies to your correspondence. Thus if you had a master's degree and a Ph.D. in related fields you would sign yourself as John Smith Ph.D. On the other hand if you had a master of arts degree in Literature and a Ph.D in History then it would depend on which area of expertise you were writing in; if Literature, then John Smith M.A., if History, then Ph.D. Now if, like some people I have known, you had a Ph.D in engineering and a Medical degree and you were writing about research that involves both of those fields, such as bioengineering, then you could use both degrees but the medical one would take precedence, John Smith M.D. Ph.D.
To list titles after a name correctly, place the highest academic or professional title first, followed by any other titles in descending order of importance. Separate each title with a comma.
No.
Yes, research paper titles are typically italicized in academic writing.
Yes, thesis titles are typically italicized when included in academic papers.
Yes, you should italicize dissertation titles when citing them in your academic work.
Yes, you should italicize website titles when citing them in academic writing.
In academic writing, article titles are typically italicized rather than quoted.
Yes, you should italicize journal titles when writing academic papers.
Yes, in academic writing, article titles should be italicized to indicate that they are titles of works.
In APA format, book titles should be italicized in academic writing.
Yes, you should italicize journal article titles when citing them in academic writing.
Yes, you should italicize research article titles when citing them in academic papers.