All Blog Posts are managed from the WordPress Dashboard > Posts section.
After clicking on the Posts menu option you’ll be shown a list of Posts that your site contains. The Posts screen will look similar to the screen below.

At the top of the page you can view how many Posts in total you have in your site, how many have been published by yourself or Published, Scheduled, Sticky, Pending, in Draft or in the Trash.
When hovering your cursor over each row, a few links will appear beneath the Post title.
Next to each Post title is a checkbox. This allows you to perform an action on multiple items at once. You simply check the Posts that you would like to affect and then from the Bulk Actions dropdown select either the Edit option or the Move to Trash option and then click the Apply button. The Edit option will allow you to edit the Categories, Tags, Author, whether to allow Comments and Pings or not, the Status and whether or not the Posts are ‘Sticky’. The Move to Trash option will move the selected items to the Trash.