Asteroid 2022 RD2 is a near-Earth object that could become a temporary moon, then later a potential crash risk for the planet later this century. Credit: NASA / JPL-Caltech illustration Scientists ...

Earth has quietly picked up a new traveling companion, a tiny captured object that astronomers say will loop around our planet for decades before slipping back into deep space. NASA and independent ...

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 most of recorded history, Earth was thought to have a single natural satellite, the Moon. Modern astronomical surveys have revealed that Earth’s orbital neighbourhood is more dynamic than ...