13, after launching atop a SpaceX Falcon 9 rocket on Jan. 15. It has since been lowering its orbit in preparation for a moon landing and is now all set for the upcoming attempt. "Blue Ghost's ...

March's full "Blood Worm Moon," a phenomenon that makes the moon appear red during a total lunar eclipse, is visible this week for Americans and others in Earth's Western Hemisphere. The full moon ...

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