Earth's climate has swung between ice ages and warmer periods for millions of years, driven by subtle changes in our planet's orbit and axial tilt. These variations, known as Milankovitch cycles, ...

This year's Winter Solstice night is the darkest in over a decade.

The Earth's climate has been changing for millions of years under the influence of the gravity of neighboring planets. A new ...

New research shows Uranus’ fierce radiation belts were a short-lived blast from a solar storm, reshaping what Voyager 2 ...

Winter Solstice has long marked a time of rebirth, behind it are fascinating astronomical events.

In essence, you can put blame on daylight saving time ending in November, bringing early sunsets with it. As normal, winter ...

Astronomical winter begins Sunday, Dec. 21 in the Northern Hemisphere. Here's how the solstice works.