Arizona's dark skies are a haven for astronomers and photographers. Some communities are fighting to keep them that way.

Valentine's Day arrives each year draped in romance, an unspoken promise lingering in the air like the scent of freshly bloomed red roses.

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but with a telescope you can spot Neptune and Uranus.

The zodiacal light shines in the evening as the Moon reaches Last Quarter and skims past Spica and Antares in the sky this ...