It's Dec. 1, but despite the incoming snow and ice, the official start to winter is still three weeks out. Here's when winter ...

Earth's Tilted Dance Through Space 44 degrees, or about half way between its extremes, and this angle is very slowly ...

SEATTLE — Spring is here — officially, at least. The vernal equinox arrives on Tuesday, marking the start of the spring season for the Northern Hemisphere. But what does that actually mean? Here's ...

This story was updated to add new information. Spring has sprung, bringing warmer days and blooming flowers. Thursday is the first day of spring, or the vernal equinox, in the Northern Hemisphere.

The winter solstice is Saturday, bringing the shortest day and longest night of the year to the Northern Hemisphere — ideal conditions for holiday lights and warm blankets. For those who would rather ...