@msnbc: Scientists have found the strongest evidence yet of life on a distant planet. They've detected unique chemical patterns similar to those produced by Earth's algae and seaweed — raising the possibility of the presence of a warm ocean, perhaps teeming with life, on a planet 7 trillion miles away. The signs were found on K2-18b, an exoplanet orbiting a red dwarf star twice the size of Earth and 124 light-years away, according to a team of researchers led by Cambridge University. In the scale of the universe, the planet is a neighbor, sharing the Milky Way galaxy with Earth. #science #space