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 ...

For the next half-century, Earth will have a new celestial companion. A small asteroid, officially designated 2025 PN7, has been confirmed as a quasi-satellite—a rare type of near-Earth object that ...