A 'primordial' black hole may zoom through our solar system every decade, potentially solving the mystery of dark matter. Plus, new research uncovers hidden structures beneath Mars' ancient ocean and reveals the possibility of ongoing volcanic activity. Join us as we explore the mysteries of the cosmos and the secrets of the Red Planet in this captivating episode.Sources:https://www.space.com/black-holes-solar-systemhttps://www.iflscience.com/hidden-structures-found-beneath-mars-ancient-ocean-and-largest-mountain-75978Outline:(00:00:00) Introduction(00:00:40) A 'primordial' black hole may zoom through our solar system every decade(00:02:48) Hidden Structures Found Beneath Mars’ Ancient Ocean And Largest Mountain