12K views · 169 reactions | Don't miss the Aug. 26 premiere of Our Alien Earth, streaming on plus.nasa.gov! This new documentary takes you to our planet's most extreme environments, where scientists test technologies to inform missions related to NASA's search for life. Get a sneak peek here: https://go.nasa.gov/3AAFMrE | NASA Astrobiology | Facebook

Signs of Alien Life Will Be Found by 2025, NASA's Chief Scientist Predicts

Life on alien planets probably wouldn’t experience day and night – here’s how that may change evolution

1.2K views | Scientists think we’re closer than ever to finding alien life because we now know thousands of planets exist, we can analyze some atmospheres for chemical clues, and nearby ocean moons may hide habitable seas under ice. Where do you think we’ll find it first?” | DeepSpace Revealed | Facebook