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

The reason people might think Earth has a second moon is due to a celestial body named 2025 PN7 that was spotted in August by ...

Astronomers have spotted a quasi-moon near Earth — and the small space rock has likely been hanging out near our planet ...

Researchers are discussing 2025 PN7, a small celestial body that's following a similar orbital path to our planet's without ...

NASA’s upcoming Artemis II mission will put humans in the moon’s orbit for the first time in more than 50 years.

The discovery of quasi-moon PN7 has caused a stir on social media. A University of Oregon astronomy professor explains. what ...