Earth's climate has swung between ice ages and warmer periods for millions of years, driven by subtle changes in our planet's ...

By trapping huge amounts of water on land, big dams built by humans have slightly changed how Earth spins and where its poles ...

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

When the Sun reaches its lowest point in the sky, which always occurs around December 21 for those of us in the northern ...

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

PM? The winter solstice is still 2 weeks away, but sunsets in southern Colorado have already started getting later. Here's ...

The longest night of the year is nearing as we get closer to the first day of winter. Here's when to expect the season to ...

For many people in the US, winter has come a little early, as a few waves of snow and blisteringly cold temperatures have ...

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

December brings an array of night sky events including a mysterious interstellar comet, the Geminids meteor shower and winter ...