Astronomer Carol Mundell (Sheffield, UK, 54) has a film CV: expert on supermassive black holes, scientific adviser to the British…
Questions that seem too simple, naive or childish, such as why night exists, often lead us to complex answers containing…
A few numbers are enough to express how alone we humans seem in the Universe. According to conservative estimates, in…
How old are you? This is a simple question that we've all been asked at one time or another. But…