Are We Alone in the Universe? The Surprising Probability of Alien Life In this short video, we learn about the mind-blowing number of potential Earth-sized planets that may exist in the universe. According to recent studies, on average, every star has at least one planet, and one-fifth of those have Earth-sized planets. With approximately 100 billion stars in our Milky Way galaxy alone, this means there could be billions of Earth-like planets in our galaxy. And when you consider the 100 billion

The thought of finding alien life has fascinated people since the time of the ancient Greeks—but developments in astrobiology could be about to turn this possibility into reality. How do you hunt for life beyond Earth—and might this be the decade when we find it? https://econ.st/3QKgJW1 | The Economist