Early snowpack and plunging temperatures in Siberia could be setting the stage for a colder, snowier winter in Minnesota.

Experts say cleaner air, melting Arctic ice and subtle changes in cloud formation are behind the shift. View on euronews ...

The Earth is reflecting less and less sunlight into space, especially in the Northern Hemisphere. The decline over the last 20 years is clearly measurable, as current NASA data shows. A research team ...

The autumnal equinox arrives Monday, marking the start of the fall season for the Northern Hemisphere and the spring in the Southern Hemisphere. On the equator, the sun will be directly overhead at ...

Day and night will get equal time for a brief moment Monday as much of the world heads into fall. The autumnal equinox marks the start of the fall season for the Northern Hemisphere and the spring in ...

Here's what happens as the direct rays of the sun slip south of the equator as the seasons change.

As of Monday, Oct. 13, the moon phase is Third Quarter. Tonight, only 53% will be lit up, according to NASA's Daily Moon ...

In the Northern Hemisphere, the equinox symbolizes the onset of shorter days with longer, cooler nights, while in the ...

Daylight Saving Time ends on Nov. 2, the first Sunday of November. Clocks will be set back one hour, making sunrise and sunset each an hour earlier.