In the top nav bar, click on the Articles link.
Click on the ( Menu) icon on the top right corner of the page. The menu will expand.
Then click on the dropdown that says " Forums / Blogs / Polls / Poems / Videos / etc.". It will expand.
Then click on Articles in the list of links.
You will see a list of Articles.
Click on the Create Article button at the top right corner of the page.
Enter your Article and press the "Submit Article" button.
Your Article will appear on the All Articles page.
UPDATE: We don't accept Articles through the site anymore, if you want to write an article for the site, you can send it to Contact Us.