When the after-school sky suddenly turns red, even familiar buildings and power lines look a little special. The sun is whitish during the day, but as it approaches the horizon, it turns orange, and ...

Humans have always used simple observations of nature to try to understand our complex environment and even the wider cosmos. One such example is: "Red sky at night, shepherd's delight" and "Red sky ...

On the evening of September 10, a drone was launched near Seoul Yanghwa Hangang Park toward Yeouido. The sun had tilted ...