For all our technological progress, humanity remains confined to a single planet. But that may not always be the case. Over the past few decades, astronomers have discovered thousands of exoplanets, ...

Could there be an even better planet for us than Earth? Scientists are searching for a superhabitable world that wouldn’t ...

Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.

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 ...

The Earth has just added its seventh confirmed quasi-lunar moon. It is 2025 PN7, a small Apollo-type asteroid detected in August solely by its brightness, thanks to the Hawaiian Pan-STARRS 1 telescope ...