Astronomers have long searched for life within a rather narrow ring around a star, the "habitable zone," where a planet ...

In a statement Thursday, astrophysicist Amri Wandel of Hebrew University in Jerusalem said his research challenges the traditional concept of the "habitable zone," the narrow orbital range around a ...

At the beginning of the exoplanet age, the goals were fairly simple. The first was to find as many of them as possible to ...

Add Yahoo as a preferred source to see more of our stories on Google. Some exoplanets, like the one shown in this illustration, may have atmospheres that could make them potentially suitable for life.

— -- Astronomers on Monday reported the discovery of an Earth-like planet outside the solar system whose size and distance from its own star put it in the "habitable" zone and make for a surface ...

WASHINGTON — A newly discovered planet is eerily similar to Earth and is sitting outside our solar system in what seems to be the ideal place for life, except for one hitch. It’s a bit too big. The ...

It’s a force to be reckoned with. Gravity is what holds Earth in orbit around the sun and keeps us from floating off into space. Unfortunately, it can — quite literally — be a real downer. The ...

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 ...

(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 ...