The object dubbed Earth's "second moon" is actually a quasi-satellite that's accompanied the planet since 1957 — not a true ...

Astronomers have re-discovered a temporary moon that has joined Earth’s orbit. The mini-moon/asteroid is named 2025 PN7. It’s about 62 feet in diameter and will eventually return to its other orbital ...

Scientists have spotted a small asteroid that may circle Earth as a mini moon before shifting onto a path that could make it a hazard later in the century. NASA has calculated the asteroid’s orbit and ...