The hunt for intelligent life beyond Earth has quietly entered a more exacting phase, and one small, cool star has become a proving ground for how serious that search can be. TRAPPIST-1, a dim red ...

Thomas Mulligan shares NASA’s plans for an alien-hunting telescope positioned 1.5 million kilometers from Earth by 2040. Four things to know about the "Melania" film After a reported Trump threat over ...

There is no chance in hell our species will be able to reach another Earth-like planet in the Universe in the foreseeable future, so the only way we can get a sense of the habitability of such places ...