As NASA prepares for its first moon mission in 50 years, GRU Space is taking reservations for a proposed lunar hotel.

Earth has only one natural satellite, the moon, which is relatively large compared to its parent planet. It orbits Earth at an average distance of about 384,400 kilometers and completes one revolution ...

According to the new research, astronomers have employed the Very Large Telescope's technology, known as GRAVITY and have ...

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 ...

You may have heard a lot of online chatter about Earth's two moons recently, but that doesn't quite get the discovery right. Earth still only has one true natural satellite — our 2,159-mile-wide moon ...