Scientists say nearby star Gliese 581 hosts a planet within the “habitable zone,” meaning someday, when we finally make Earth un-inhabitable, we’ll have a place to escape to. But long before that, ...

— -- Goldilocks, like most fairy tales, offers children a lesson and a happy ending. Whether a Goldilocks planet offers astronomers something similar still hangs up in the air, with the story's ...

In an exciting breakthrough for astronomy and the search for extraterrestrial life, a team of international scientists has announced the discovery of Gliese 12 b, a temperate, Earth-sized exoplanet ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American Don't pack your bags just yet for Gliese 581 ...

Recently, a planet called Gliese 581 was discovered. Many reports assert this planet is in the "Goldilocks" zone -- not too close and not too far away from its star, which allows liquid water to exist ...

The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their ...