The universe has quasi-moons, mini-moons, and moonlets, but no official definition of what counts as a moon.

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

Unlike the familiar Moon, 2025 PN7 does not orbit Earth. Instead, it travels around the Sun along a path that closely ...

The Earth often gets a few visitors in the solar system, but some stick around for a while. Here's what to know about the ...

Scientists out of the Pan-STARRs observatory in Hawaii discovered the new quasi-moon on Aug. 29, according to CNN and ABC ...

Uranus’s tiny moon Ariel may have had a subsurface ocean that made up around 55% of its total volume. By mapping craters, ...

Sifting through the first-ever rock samples collected from the far side of the Moon, scientists in China have unearthed a ...

November's full moon will also be bigger and brighter than usual. Here is everything to know about the Beaver Moon and how to ...

The Intuitive Machines IM-2 Nova-C "Athena" moon lander captured views of the SpaceX Falcon 9 upper stage and Earth post ...

These rare samples, uncovered on the moon by China’s Chang’e 6 mission, might help to reveal secrets of how the solar system ...