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

The study explains that 2025 PN7 is currently in a 1:1 resonance with Earth, meaning it takes the same time to orbit the Sun ...

It sounds like a sci-fi plot, but it’s a cold, hard scientific fact: our closest cosmic neighbor, the moon, is slowly moving ...

THAT’s NO MOON - Earth doesn’t just have one moon; sometimes, it has a companion satellite or “mini-moon.” Discovered on ...

It may sound like a sci-fi headline but it's very real -- Earth now has a new celestial companion, a little asteroid named ...

Several celestial objects have been spotted over the years and deemed a "quasi-moon" by astronomers, including asteroid 2025 ...

The asteroid isn’t a second moon, instead it is a quasi-satellite that is trailing the Earth’s orbit around the sun. Unlike ...

Former NASA officials warn that the U.S. looks poised to lose its self-declared race to beat China to the moon ...

The next full moon will be the closest supermoon of 2025, set to shine for days. Here's when to watch and what to know about ...

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 ...

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 ...