Hawaii’s Gemini North telescope has captured new images of interstellar comet 3I/ATLAS with a green glow as it remerges from ...

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 ...

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 ...