Skywatchers will witness a rare event as the Moon, Mars, and Mercury appear close together in the twilight sky this October.

The 6%-lit waxing crescent moon will be visible roughly 5 degrees above the horizon as the sun sets on Oct. 23, with Mercury ...

See the crescent moon shine with Mars at sunset on Sept. 24. The crescent moon shines close to Mars above the western horizon at sunset on Sept. 24, but you'll need to be quick to spot the red planet ...

Discover the secrets of Mars, the mysterious Red Planet. Despite its dry, cold, and distant nature, Mars is the most explored world after Earth with two strange moons and countless fascinating details ...