Some people treat the idea of aliens as nonsense, but scientists actually believe that the notion we're alone in the entire universe is alien! The universe is so vast and so unexplored that ...

It's one of life's biggest questions – are we alone in the universe? Now, in good news for sci–fi fans, one of Britain's top space scientists has declared she is 'absolutely convinced' there are ...

Claims that aliens are already here are everywhere, but proving them is another matter. The strongest cases become more ...

An artist's impression of a planet orbiting the yellow, Sun-like star HD 209458, 150 light-years from Earth. About10 percent of the known planets circling suns in the galaxy resemble Earth, which ...

Why haven't we found aliens? Discover the science behind the Fermi Paradox, including the Great Filter, SETI, and competing explanations for the silence. - Statistically speaking, we are not alone in ...