The question needs information as to why the Visa Application was denied. Did the Slip mention any reasons?

When you renew your U.S. Passport next time, you may stop by at a local passport processing center where you can talk with live agents and tell the...

Please make sure that you review the theory of "preconceived intent" before filing the Petitions and your parents file their I-485s.

You need to wait for your case files to be transferred for review. You probably need to wait another month or so before hearing from USCIS about...

If USCIS finds it necessary, they will contact you by way of Request for Evidence ("RFE") or ask you at an interview (if it is the case).

If you have a Receipt Notice, you can check the case status online. https://egov.uscis.gov/casestatus/landing.do

Since you already have an EAD, you just need to renew it whenever necessary, until your I-485 is approved. Also, because you have pending I-485,...

Your Employer may register for you. However, if your Employer or you have an immigration attorney for preparing the H-1B Petition for you, I...

That probably means a Labor Condition Application ("LCA") was submitted and certified but is no longer good/valid.

You will need to wait until you get notified. The Notice should include all the instructions for you.