When one thinks about winter, one thinks about snow and cold. They go hand in hand for many reasons, but what is snow, really ...

A Christmas Tree-shaped star cluster inside NGC 2264 reveals active star formation 2,700 light-years from Earth.

Ancient Australian rocks suggest Earth’s continents formed later than expected and share a common origin with the Moon.

When we think of snow, we usually think of winter. But did you know that it is always snowing in the ocean? Read more about marine snow.

Nick Baker takes a look at the weird phenomenon that produces hair ice, a rare winter wonder formed by a bit of alchemy magic ...