What if Mars was BLUE? In this mind-blowing video, we explore a fascinating NASA theory that imagines the Red Planet transformed into a vibrant blue oasis. Join us as we dive into the science behind this concept, examining the potential environmental changes that could turn Mars into a ...

Y a-t-il une vie extraterrestre intelligente dans l'Univers ? Chaque année, les scientifiques découvrent de nouvelles exoplanètes, et cette possibilité ne fait que se renforcer. Découvrirons-nous un jour des extraterrestres ? Ou est-ce qu’ils nous trouveront en premier ? Dans cet épisode, nous ...

Solar tornadoes occur when solar magnetic fields twist in a furious spiral, dragging clouds of plasma around with them, and are seen from time to time. But NASA claim to have never seen one as colossal as the one. Questions or concerns? Contact us at https://underknown.com/contact/ Interested ...

Watch the full episode here: https://www.youtube.com/watch?v=CcRd38ztM8M On our hypothetical journey, we've already tested out living on a flat Earth, a cubical Earth, even a hollow Earth. What do you say we try to survive on an Earth with a giant hole in the middle? Would a planet like this ...

Watch the full episode here: https://youtu.be/czDVJbKwtjY We’re taking a journey through space, jumping on each planet in our Solar System. On which planets could you get the most elevation? Which gas giant’s surface gravity would leave you with an unimpressive hop? What would your body feel ...

Watch the full episode here: https://youtu.be/MQ5TRdXOtno Vladimir Putin, a former intelligence officer-turned-president took Russia from a defeated Cold War relic to the most feared superpower in Eurasia. Now Putin, who many have called a modern-day Adolf Hitler, is dead. The consequences ...

Watch the full episode here: https://youtu.be/OdczmQsM4D8 We’re in an age when many outside forces could be spying on you. Your phone, your social media apps, but what about… birds? Theoretically, could the birds that fly around us in the sky be government surveillance drones? It sounds ...

Watch the full episode here: https://youtu.be/pZEB5bnMSJI It’s raining glass? Yes, volcanic glass is falling from the sky. What is causing this volcano glass rainfall? Volcanic glass particles are thin strands of glass fiber that form during volcanic eruptions. They are known as Pele’s hair, ...

Watch the full episode here: https://youtu.be/zfSTsSijGpU Olympus Mons is the tallest mountain in our Solar System. This giant volcano is located on Mars. Its base covers the same amount of land as Arizona and it is three times taller than Mount Everest. If you strapped on your space suit and ...

Watch the full episode here: https://youtu.be/u4N45v8f7cY Freezing cold, dark and with an atmosphere that smells like farts and rotten eggs? Uranus doesn’t sound like somewhere you’d want to call home. But let’s say you did want to move to Uranus. What kind of home settlement would you need to ...

Watch the full episode here: https://youtu.be/M99LbLkJL54 KaBOOM! What was that explosion? It was the Mariana Trench going up in a huge bomb blast! You brought your biggest nuke, similar to the Tsar Bomba, down 11 km (7 mi) to Challenger Deep, the deepest point of the Mariana Trench. Despite ...

Watch the full episode here: https://youtu.be/i93SKYp7HBs It’s the most energetic light source in the Universe against a massive gravitational monster. Could this cosmic showdown reverse the flow of time? Pitting a black hole against a gamma-ray could spell some serious danger for our ...