Radio telescopes have long scanned quiet patches of sky for a lone, artificial-sounding ping, but a growing body of research ...

Scientists have long pondered on one of the universe's greatest mysteries: Are we alone? They have searched the cosmos, but so far, there has been no sign of extraterrestrial life. Is it possible that ...

Alien life could be hiding in gases, researchers have said. We could find extraterrestrial beings in gas on faraway planets that are very unlike our own, according to their new study. The gases ...

Searching for life in alien oceans may be more difficult than scientists previously thought, even when we can sample these extraterrestrial waters directly. A new study focusing on Enceladus, a moon ...