AS: Snow appears blue, on occasion ... the shape of a snowflake can tell you a lot about how cold it is in your atmosphere. If we have warmer temperatures that are closer to zero, then we're ...

In 1831, a massive volcanic eruption cooled the Earth’s atmosphere by 1 degree Celsius and even caused the Sun to appear in varying shades of purple, green, and even blue due to excess sulfur ...

As a result, our eyes perceive the sky as blue during the day. However, at sunrise and sunset, the story changes. As sunlight travels through a greater portion of the atmosphere, shorter ...

Record heat and rain turned thousands of Greenland lakes brown in 2022 as they hit a tipping point and began emitting carbon ...