The discovery of an extraordinary multi-planet system has demonstrated that so-called "hot Jupiter" planets may not be lonely ...

Scientists found an intriguing world in our galaxy.

Two significant additional discoveries-the identification of twin water worlds, Kepler-138c and d, and the existence of water-rich planets-show us that there are many ways for small exoplanets to be ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. The discovery of an extraordinary multi-planet system has demonstrated that so-called "hot ...