In this episode "The Skyentists", astronomers Kirsten Banks and Ángel López-Sánchez, talk again about galaxies and discuss the mysterious component in all of them: the dark matter. In all galaxies for sure? Very recently it has been announced that a little, faint, fuzzy, low-luminous dwarf galaxy named as NGC1052-DF2 doesn't have any dark matter! Our Skyentists talk about these news and explore what might be happening in this intriguing object. For our "What's Up!" segment we discovered that M 83 is not only a very famous nearby spiral galaxy but something else...