Dreams of finding a sort of Earth 2.0 motivate much of the thinking around the search for exoplanets. But there is more to exoplanet science than searching for potentially habitable worlds. Scientists ...

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.

So far, humanity has yet to find its first "exomoon"—a moon orbiting a planet outside of the solar system. But that hasn't been for lack of trying. According to a new paper by Thomas Winterhalder of ...

What should we look for in an exoplanet to find life? Why we may need to refine the meaning of ‘habitable zone’ How much do we know about the habitable exoplanets discovered by ESO? The idea of ...

A new paper posted this week to the astrophysics preprint server arXiv confirms that astronomers hunting Earth-like worlds have hit a meaningful technical milestone: using NEID, an extreme-precision ...

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 ...