Skywatchers can see the lunar face half-lit by the sun when the moon enters the first quarter phase of its 29.5-day cycle on Saturday, May 27.

Mars shines in the evening, and is joined briefly by Mercury. Jupiter joins Venus as the month goes on. And all month, look ...

Here's how to watch the July full moon, along with appearances from planets and constellations in the night sky.

This year, the half moon occurs on May 20 at 4:56 AM PT. From the northern hemisphere, you'll see the left side glowing, and in the southern hemisphere, the right side shines.

Earth’s gravitational pull on the moon has revealed that our satellite’s interior is warmer on its near side, the one facing our planet, suggesting its insides are uneven. In the GRAIL mission ...

A private lunar lander from Tokyo-based company ispace was aiming for a touchdown in the unexplored far north with a mini ...