Astronomers thought they had seen the "first hints of life on an alien world" this year, but they disappeared under closer ...

Kepler-452b, a super-Earth orbiting a sun-like star just 1,400 light-years away, has emerged as a prime candidate for harboring alien life. Despite high hopes and predictions that we could discover ...

According to popular media, the search for alien life involves advanced technology, space exploration and sometimes even government conspiracies and secret programs. But according to University of ...

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...