Earth has a number of mini-moons and quasi-moons. Mini-moons are objects that orbit our planet. But they make for fickle fans: They tend to swing around Earth for only a matter of months. One example ...

Much as we may treasure and proclaim our independence, we actually live in a protective bubble called the heliosphere.

Every year, the moon, Earth's reliable celestial companion for 4.5 billion years, is getting 1.5 inches away. The distance to ...

Astronomers discover asteroid 2025 PN7, earth's latest quasi-satellite, revealing insights into planetary dynamics and ...