I pick out North America’s celestial highlights for the week ahead (which also applies to northern hemisphere mid-northern ...

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

Sky This Week is brought to you in part by Celestron. Friday, March 14The Moon reaches Full phase early this morning at 2:55 ...

Spring migrations runs between March 1 and June 15. Fall migration runs between August 1 and November 30. Peak spring migration is in April. Birds are on the move as their annual spring migration ...

The massive annual spring migration of America's birds – millions of them – is underway. Here's how to follow along at home.