When astronomers search for planets that could host liquid water on their surface, they start by looking at a star's habitable zone. Water is a key ingredient for life, and on a planet too close to ...

Forty light-years away, seven Earth-sized planets orbit around a dim red dwarf star in one of the most tightly packed ...

The number of known places in our galaxy theoretically hospitable to life may be significantly greater than previously thought, according to new research. Researchers with Planet Hunters are reporting ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Morgan Underwood, Rice University (THE CONVERSATION) When astronomers search for ...