The Email Stats page will show you a detailed overview of all emails sent out from your account as well as show any email scheduled to send in the future.  To access this page, navigate to Email Marketing -> Email Stats.

The main menu will show you the email template, type, send date/time, number of recipients, and relevant stats.

Cancel a Scheduled Email - To cancel an email that is scheduled to send in the future, check the box next to the email and then click "actions" and "cancel message delivery."

View Specific Stats - Click on the name of the email template to view the recipient list for the email and to see a more detailed breakdown of the stats.