[Theme: Atahualpa ] Wide Spaces appearing in post – need help

When creating a post that does not go to the homepage, there are wide spaces at the top and at difference places in the post. I have taken the same text, placed it in a different theme, and the spaces disappeared.

Here’s the post with the spaces: https://ebookdiscovery.com/blog/2013/03/16/test-post/

Here’s the same text in a different theme. Spaces diappear.
https://ninapaules.wordpress.com/2013/03/17/test-post/ ?