Why being first to return to the moon matters.

A remarkable sight will appear in the southwestern sky an hour after sunset Saturday evening when Venus appears very close to a thin crescent moon. This celestial phenomenon is called a conjunction, ...

Venus, Jupiter, and Mars dominate the sky. Catch your last views of Saturn as early in the month, the Moon passes in front of ...

Skywatchers: February's celestial events include the Snow Moon, Venus's peak brightness, and a stunning planetary alignment.

A remarkable sight will appear in the southwestern sky an hour after sunset Saturday evening when Venus appears very close to ...

The new moon of January will be at 7:36 a.m. Eastern Time on Jan. 29, according to the U.S. Naval Observatory, and two days ...