While blisteringly cold weather arrived early for many people in the US, it’s now officially winter. The winter solstice is Sunday, and Earth’s shortest, darkest day is here. The winter solstice has a ...

Editor’s note: “Behind the News” is the product of Sun staff assisted by the Sun’s AI lab, which includes a variety of tools such as Anthropic’s Claude, Perplexity AI, Google Gemini and ChatGPT. The ...