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

What would it mean for humans if there were another species out there, and how big is the challenge when the human species is just a speck among others in space? The bigger problems and challenges ...

Since before recorded history, humanity has looked up at the stars and wondered if we’re alone in the universe. Now, astronomers may be on the brink of finding out for sure. To date, more than 5,000 ...