The first day of meteorological spring is March 1, while the astronomical first day of spring varies based on the vernal equinox. Astronomical seasons depend on the Earth's position relative to ...

The vernal equinox arrives on Thursday, marking the start of the spring season for the Northern Hemisphere and the fall in ...

The vernal equinox arrives on Thursday, March 20, officially marking the beginning of spring in the Northern Hemisphere and autumn in the Southern Hemisphere, reports AP News. What happens during the ...

Following is a transcript of the video. Early in the history of our solar system, something mysteriously knocked Earth slightly off its axis. So today we tilt at 23.5 degrees. But what would ...

Up here on the International Space Station I don’t get affected by the seasons but on Earth the seasons are always changing: Spring, Summer, Autumn and Winter. What causes the seasons to change?

Are daffodils in bloom earlier? Does cherry blossom appear earlier these days? And are distinct, new "seasons" starting to ...

The equinox is a fascinating astronomical event that occurs twice a year when the Earth's axis aligns in such a manner that both the Northern and Southern Hemispheres receive equal sunlight. This ...

Meteorological spring starts on March 1 and is based on annual temperature cycles, while astronomical spring starts on March 20 and is based on the Earth's position relative to the sun. The spring ...

Oh, how we love Mother Earth, don't we? Earth is our home and has given us so much — green grass, sunny skies, breathtaking sunsets and beautiful snow — so why not celebrate it by taking one ...