The Chandra X-ray telescope and other observatories are being used to study stars that could potentially harbor habitable ...

The hunt for habitable worlds has become a hot topic in astronomy. For decades, the search has been focused on planets in the ...

People always want to know what will happen to Earth when the sun eventually swells up as a red giant. For one thing, the ...

A series of studies have cast doubt on the sensational claim that "the strongest evidence yet" was found that life exists ...

To astronomers, a “potentially habitable” planet is one that could sustain life, not necessarily one that humans would consider a nice place to live. Habitability depends on many factors, but liquid ...

Excitement around the potential discovery of alien life on exoplanet K2-18b is fading as new analyses cast doubt on initial ...

A conversation with Peter Schlosser, vice president and vice provost of Global Futures at Arizona State University ...

Of the roughly 6,000 exoplanets we’ve discovered, a significant number are in the apparent habitable zones of their stars.