286K views · 2.1K shares | Somewhere out there, aliens are making documentaries about us  ALIEN WORLDS applies the laws of life of Earth to imagine what alien life could be like on other planets. Coming to Netflix December 2. | Netflix | Facebook

The search for life out there begins right here, in some of Earth’s most extreme environments. In the fourth episode of our documentary series Our Alien Earth, NASA astrobiologists explore beneath the volcanoes of Hawai’i to advance our search for life on other worlds. Watch today: https://go.nasa.gov/4oWEg6D | NASA - National Aeronautics and Space Administration

Did You Know? Alien Life Could Be Silicon-Based. What if life in the universe isn’t soft, green, or carbon-based? On blistering alien worlds, living beings could be forged from silicon—more like crystals than flesh—feeding on chemical reactions instead of water, surviving in extreme heat, and perceiving reality through ultraviolet light invisible to human eyes. Science hasn’t seen it yet… but physics says it might be possible. #SiliconLife #AlienWorlds #Astrobiology #UVVision #Exoplanets #SciFiS