For generations, humans have imagined what it would be like to discover life beyond Earth. Would alien beings look anything ...

Sagan's team created the greatest puzzle of all time, which you can only solve if your species understands the basic nature ...

A self-proclaimed time traveller claims aliens will make contact in 2028, sparking online debate. His assertions, made during ...

Professor Carol Oliver suggests that time dilation, a cosmic phenomenon, may deter aliens from visiting Earth, as ...

Hollywood makes initiating alien contact seem much easier than it has proven to be. In E.T. the Extraterrestrial, E.T. got ...

From the Greys to the Nordics, these aliens appear frequently across abduction stories and science fiction tales.

Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for first contact with extraterrestrial life. Tardigrades—a type of invertebrate ...

From "Independence Day" to "Invasion of the Body Snatchers", movies and TV shows are packed with advice for anyone aspiring to conquer this unassuming blue dot.