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 ...

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 ...

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 ...

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 ...