Recently discovered asteroid 2023 DW has been predicted to have a close encounter with Earth on Feb. 14, 2046. See NASA's ...

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 ...

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

Quasi-moons are not real moons and don't actually orbit the Earth, although they sometimes appear to do so for short periods of time, Phil Nicholson, professor of astronomy at Cornell University, told ...