Earth's northern hemisphere warms up literally for the astronomical start to spring. Here's what to know about the season.

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

The March equinox, also known as the spring equinox, marks the Sun's crossing of the Earth's equator, moving from south to ...

Spring Equinox is rapidly approaching. When is the first day of spring? What we know about when spring starts, winter ends, ...

A new moon occurs when the moon is directly between Earth and the sun ... The next black moon will occur on Aug. 23, 2025, as per the second definition of the third new moon in a season of ...