Humanity often ponders the nature of alien life, but rarely considers the inverse: what would extraterrestrials think of us? For theoretical physicist Avi Loeb, the answer is bleak. "If I were looking ...

Researchers believe they have traced the origin of the famous Wow! signal to a rare natural phenomenon involving hydrogen clouds and intense cosmic radiation, potentially closing one of astronomy’s ...

Aristotle believed the planets revolved around Earth and God could not have created other worlds. Today, scientists scour the ...