By default WordPress only allows users to display static pages and posts on the front page. There are many solutions for displaying any other post type on the homepage like by using shortcode plugins etc but here we will provide you the easiest among all other solutions. We will be using a hack which you can easily enable on your website or alternatively you may also give a try to CPT on Front Page plugin by fabrizim.
WP News Bulletin allows you to publish news as a CPT and display them in a sliding sidebar widget, when a news headline is clicked it gets displayed in a lightbox overlay from where your users can read full news articles.
News CPT is a powerful and complete WordPress plugin that allows you to publish news article from your WordPress blog. All news posts are added as custom post types and are accessible with address YourDomain.Com/NEWS. It also provides you a news taxonomy and is compatible with default taxonomies like tags and categories in your weblog. The plugin activate a sidebar widget which you can use for displaying recent news items.