We’re getting a great gift in our skies this holiday season with three bright planets — Saturn, Jupiter and Mars — decorating our evening skies. We also have some nice celestial conjunctions, or what ...

Earth's orbit defines the ecliptic, a line on the celestial sphere inclined 23.5° to the celestial equator, reflecting Earth's axial tilt. The Moon's orbit is inclined 5.1° to the ecliptic. The Moon's ...

Before skywatchers begin their countdown for the brief planetary alignment expected next month, some astronomical debunking has proved there may be less of a sky show after all. In the early morning ...

We’re getting a great gift in our skies this holiday season. Three bright planets decorate our evening skies; Saturn, Jupiter and Mars. We also have some nice celestial conjunctions or what I call ...