It doesn't happen often that Mercury ranks as the planetary highlight of the evening sky, but July is an exception. The solar ...

Earth’s tilt is what causes the seasons; in the summer, when our planet’s pole is tipped toward the sun, the days are longer, and the true sun’s daily path across the sky is higher. The opposite is ...

Sky This Week is brought to you in part by Celestron. Friday, June 20The summer solstice occurs at this evening at 10:42 P.M.

Four prominent celestial objects — the moon, a bright planet and two bright stars — will come together to form a "celestial ...

P.M. EDT, marking the official beginning of summer for those in the Northern Hemisphere. On this date, the Sun is located ...

The summer solstice, when the Sun appears at its northernmost declination for the year, occurs June 20 at 10:42 p.m. EDT. Note: Moon phases in the calendar vary in size due to the distance from ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. As far as evening skywatchers are concerned, Mercury, the innermost planet to the sun, has ...