articles-archive.php

<?php
/*
Template name: My custom archive page
*/

$posts = new WP_Query( array(
  'post_type' => 'articles',
  'posts_per_page' => 1,
  'paged' => ( get_query_var( 'paged' ) ) ? absint( get_query_var( 'paged' ) ) : 1
) );

if ( $posts->have_posts() ) : foreach ( $posts->get_posts() as $post ) : setup_postdata( $post );

  // Loop through the posts

endforeach; wp_reset_postdata(); 
  
  // Pagination
  echo paginate_links();

endif;