Arjun Walia, Collective-EvolutionA couple of months ago top U.S. astronomers gathered in front of congress to let them know that extraterrestrial life exists without question. Their main argument was the size of the universe, emphasizing that there are trillions of stars out there, with one in every five most likely harboring an Earth-like planet. It’s also important to keep in mind that planets do not have to be “Earth-like” in order to harbor life. You can read mor [...]