Around the world in 57 days. A new moon is expected to be pulled into the Earth’s orbit by the end of September, but the rare phenomenon won’t last long. The visiting moon is technically an asteroid ...

"With the Earth and quasi-moon taking turns passing each other, the quasi-moon appears to be moving around us," Ponterio said ...

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

The Odysseus lunar lander fired its main engine for six minutes and 48 seconds Wednesday, putting the spacecraft into a 57-mile-high orbit around the moon and setting the stage for a landing try ...