Thursday is the first day of spring, or the vernal equinox ... solstice, when the Northern Hemisphere reaches its maximum tilt from the sun, causing the sun to appear at its lowest point in the sky.

Let's welcome Spring with the Vernal ... March equinox, observers anywhere on Earth will see the Sun’s path in the sky continue its movement further north every day until the June solstice ...

Now, the vernal equinox marks the tipping point into increasingly longer days until the summer solstice on June 20, the longest day of the year. During the equinox in March and September — the ...

The vernal equinox ... the sky and the fourth brightest overall. It is the closest “red giant” star to the solar system, just under 37 light-years away. By the time of the summer solstice ...