Physicists including Robert H. Dickle and Fred Hoyle have argued that we are living in a universe that is perfectly fine-tuned for life. Following the anthropic principle, they claimed that the only ...

The Drake Equation looks like a simple way to estimate alien civilizations — but the implications are brutal. If the number is high, it suggests the universe is crowded, and humanity may not be safe ...

The Drake equation attempts to estimate the number of intelligent civilizations in our galaxy, and its answer is either thrilling or deeply unsettling depending on the variables. Bondi refuses to ...