What would happen, then, should the first unquestionable indication of alien technology come in the form of a momentary flare, powerful enough to be observed, but too short to question? The ...

President Donald Trump is determined to answer a question that has tormented humanity for centuries: do aliens exist?

Are aliens real? The question has animated conspiracy theories for decades and enthralled at least one former president of ...

Bring up aliens and a lot of people will scoff. But not everyone is laughing. Around the turn of the century, 3.8 million people banded together in a real-time search for aliens -- with screensavers.