Change Posts to News in wp-admin
This goes in functions.php for example.
function tws_change_post_object() {
$get_post_type = get_post_type_object('post');
$labels = $get_post_type->labels;
$labels->name = 'News';
$labels->singular_name = 'News';
$labels->add_new = 'Add News';
$labels->add_new_item = 'Add News';
$labels->edit_item = 'Edit News';
$labels->new_item = 'News';
$labels->view_item = 'View News';
$labels->search_items = 'Search News';
$labels->not_found = 'No News found';
$labels->not_found_in_trash = 'No News found in Trash';
$labels->all_items = 'All News';
$labels->menu_name = 'News';
$labels->name_admin_bar = 'News';
}
add_action( 'init', 'tws_change_post_object' );