In Robert Zemeckis’s 1997 film Contact, Dr. Ellie Arroway (Jodie Foster) discovers an alien signal, analyzes it, cracks its code, deciphers a blueprint for a gigantic space travel machine, convinces ...

For more than a century, popular culture has trained us to picture extraterrestrials as bug-eyed, bipedal “little green men” who look suspiciously like us in rubber suits. The scientists who actually ...

But the real truth is that alien life on other planets could be even stranger than floating balloons or amorphous organisms ...