ScienceCarbon Monoxide In Planet's Atmosphere May Signal Existence Of Alien Life Computer models show that ancient inhabited Earth have high levels of carbon monoxide. Planets around sun-like stars teeming with life and rich in oxygen may also have high amounts of carbon monoxide.by Allan Adamson
ScienceLiquid Water On Mars Detected Underneath Polar Ice Cap: Game Changer In Search For Alien Lifeby Aaron Mamiit
ScienceThere Are 121 Giant Planets In The Milky Way With Moons That Could Harbor Alien Lifeby Nicole Arce