When people look up at the night sky and see the Moon glowing with a deep crimson or coppery hue, it feels almost otherworldly. This rare celestial sight, popularly known as the Red Moon or Blood Moon ...

Learn how the Moon’s phases form, why it changes shape in the sky each night, and what each stage — from new moon to full moon — actually means.

A conjunction is an astronomical event in which at least two planets – or, in this case, other celestial bodies – appear to our vantage from Earth to be close together in the sky. The trio of ...

So the bottom line is that the gravity of the closer tidal bulge on the Earth is pulling the Moon forward, which increases ...