May 16 (UPI) --Google is celebrating the final half moon of May. The search engine released a new Doodle on Friday. The image hovering just over Google's search bar shows a winking moon that is ...

The Athena moon lander, with its four legs in place, atop a satellite carrier with a commercial asteroid probe and NASA lunar orbiter attached. The payload is seen as it's being encapsulated in a ...

For comparison, our moon is just a quarter of the size of Earth, while the largest moon in the solar system, Ganymede, is around 1/28 the size of its parent planet, Jupiter.