At precisely 9:01 UTC (5:01 a.m. EDT) on March 20, our star will cross the celestial equator during ... of the end of ...

We can officially say goodbye to winter on Thursday at 5:01 a.m. Eastern time — this is the moment when the center of the sun’s disc stands directly above the Earth’s equator and enters the ...

The imaginary line that divides the northern and southern halves of the sky is called the celestial equator. If you are in the northern hemisphere, the northern axis of Earth points directly to ...