Did Donald Trump and other world leaders meet with several mysterious red-uniformed entities with long blond hair and pale ...

Even at this early stage in our spacefaring age, humanity has already begun sending probes that will eventually reach other ...

Our search for technosignatures—clear signs of advanced civilizations beyond Earth—takes many forms. Many are driven by the famous Drake equation, which attempts to estimate how many technological ...

Alien solar systems with multiple planets appear to be common in our galaxy, but most of them are quite different than our own, a new study finds. NASA's Kepler Space Telescope detected 1,235 alien ...