'Dark force' theory could solve 2 open cosmic mysteries 

 A new theory suggests the universe's most mysterious and dominant form of matter could exert a "dark force." 

https://cdn.mos.cms.futurecdn.net/UhJ8eV7NEj4fQeeWkM747k.jpg

https://www.space.com/ai-models-dark-force-dark-matter-universe-theory