This week, skywatchers are in for a rare treat. Earthshine will bathe the moon in a soft glow, offering a glimpse of its unlit surface like never before. What is Earthshine? Earthshine is an ...

Catch the soft glow of earthshine as a young crescent moon appears low after sunset.

Look out for the moon's upturned crescent, now just 2%-lit, above the evening star of Venus, as light reflected from Earth's ...

This month's new moon occurs at 9:23 p.m. EDT on March 18 (0223 GMT on March 19) as the lunar disk passes between the sun and Earth. Around this time, the lunar disk is invisible from our perspective, ...