NASA partners with private companies to search for lunar water ice, a key factor for future human exploration of the moon ...

Here's when and how to watch the next full moon and February's rare planetary parade across Pennsylvania skies, starting with ...

Why being first to return to the moon matters.

The dark skies during a new moon provide ideal conditions for spotting skywatching targets that would otherwise be outshined by moonlight. The next new moon will occur on Thursday, Feb.

An unusual looking 33-foot-long object discovered orbiting Earth last year may have come from a surprising place.

PT5, a near-Earth object discovered last year, has captivated scientists with its potential lunar origins. Likely ejected ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The Blue Ghost ...