A powerful X1.1-class solar flare was released by the sun on March 28, resulting in radio blackouts across North and South ...

We still don't fully understand what triggers lightning. A new study suggests that showers of cosmic rays may be the missing ...

As the Northern Hemisphere welcomes spring today, the Southern Hemisphere is marked with the first day of autumn.

Thursday is the first day of spring, or the vernal equinox, in the Northern Hemisphere. During an equinox, the center of the ...

Ready for the first day of spring? What we know about the 2025 spring equinox, the autumnal equinox, summer and winter ...

Spring officially begins in the Northern Hemisphere on March 20 with the vernal equinox as the entire world experiences an ...

The vernal equinox, which occurs at the start of astronomical spring, is when the sun's rays equally shine on both of the Earth's hemispheres. Thursday marks the vernal equinox, or the first day of ...

The sun's rays fall directly on the equator, marking the first official day of spring. Meteorologists consider March 1 the ...

Did you know both the astronomical first day of spring and Easter Sunday are tied to the spring equinox? How they relate, what to know for spring 2025.

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 vernal ...