The moon's ascending node (the point in the sky where its orbit crosses the ecliptic from south to north) is moving westward ...

Despite ongoing snowstorms and Groundhog Day predictions for more winter, spring is approaching, bringing warmer weather to ...

Clocks will spring ahead one hour on March 9, 2025, as daylight saving time begins across most of the United States.

Sunlight for those living close to the equator is very productive since they receive it directly all year long. For people who stay far away from the equator, the angle that makes UVB rays fall ...

Daylight hours have been lengthening since late December, with February seeing a faster increase in sunlight. Northern regions experience a more dramatic change, while areas closer to the equator see ...

Spring officially starts on the vernal equinox, when the sun passes directly over the Earth's equator. That will occur this year at 5:01 a.m. March 20. Many people refer to the practice as ...

As the face of the dial is parallel with the celestial equator, its edge forms an arUfcial horizon, along which the sun apparently travels. Because the sun mounts above the celestial equator in ...

A new study focuses on improving global temperature data sets in light of uneven warming across the globe. To fill gaps in ...

Daylight hours have been lengthening since late December, with February seeing a faster increase in sunlight. Northern regions experience a more dramatic change, while areas closer to the equator ...

Longer days are ahead across the Northern Hemisphere with places such as New York City gaining more than 60 minutes of ...