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

Human intelligence wasn’t a cosmic evolutionary fluke, some scientists say. The case against cosmic loneliness is growing.

There's a definite buzz going around this month about aliens from other worlds, or hadn't you noticed? Former US President ...

A convert to Catholicism, Thigpen wrote prolifically on saints, the Blessed Mother, and the possibility of intelligent alien ...

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.

Donald Trump’s pledge to release official files relating to UFOs has intrigued conspiracy theorists who suspect the US government has hidden evidence of alien activity on Earth.

The Drake Equation helps scientists estimate the odds of finding intelligent alien civilizations. It’s an age-old question: Do aliens exist? And what are the odds we’ll make contact? A famous ...

Lara Trump recently claimed the president already has a speech prepared on UFOs.

We got a kick out of an old chestnut among conspiracy theorists -- whether intelligent life exists elsewhere in the universe and whether any of those aliens have visited Earth -- that rose to the ...

A provocative theory circulating among artificial intelligence researchers suggests that once machines achieve human-level intelligence and beyond, they might create something entirely unexpected: a ...