PACER lets you search and view case information from any federal court. You need a PACER account to use the service. Register at PACER.gov.
CM/ECF lets you search and view case information in the Middle District of Pennsylvania with your PACER login and password, and file documents in a case if you are an attorney or pro se litigant. Register for one at PACER.gov.
Visit the Electronic Case Filing information page for more information.