Yes, you may file for divorce. I strongly recommend that you retain an attorney to do so. Good luck.

You cannot legally marry one person while legally married to another. Consult my colleague to commence divorce proceedings.

For the N-600 proving physical custody does not require a court order. Physical custody can be evidenced by providing relevant, medical, school and...

It will likely and hopefully be cashed as written.

Since your mom is here with a lawful entry, she may apply to adjust her status to that of an LPR.

I understand the importance of health insurance but gaining lawful status is quite important as well. Thankfully, you may sponsor them and they may...

Do you mean that you traveled with advance parole? If so, when? My understanding is that if you travelled with advance parole prior to 8-20-20, you...

In general, a legal marriage in one country should be a legal marriage in all countries. They may perform as many ceremonies as they like.

It would be best to request a corrected copy of the marriage certificate.

A proper plan of action would be retaining an attorney. File the I-485s and related documents now. Keep your parents in the US. Good Luck.