Lowest mass dark object

"Using a global network of telescopes, astronomers have detected the lowest-mass dark object yet found in the universe."https://www.ucdavis.edu/news/astronomers-find-mystery-dark-object-distant-universe?utm_source=join1440&utm_medium=email&utm_placement=newsletter&user_id=66c4c92f5d78644b3ac5d5b4