Everyone who has ever lived on Earth has been well-aware of the moon, but it turns out Earth also has some frequent temporary companions. These "quasi-moons" are small asteroids that enter into a kind ...

Among other recent astronomical headlines, unusual online chatter is surrounding a "second moon" orbiting Earth, but the buzz doesn't describe the discovery quite right. Earth has only one true ...

Instead, it was orbiting parallel to Earth, following the same orbit around the Sun. That makes it a “quasi-moon,” a sort of space companion that plots out its course in sync with Earth but is not ...

An asteroid named 2025 PN7 will be sharing the Earth's orbit until 2083. Earth will have a visitor within its orbit for the next several decades, according to astronomers. An asteroid named 2025 PN7 ...