Assuming intelligent aliens know how to harvest energy from stars, would humanity be able to spot these high-level structures ...

Our search for extraterrestrial life has turned up empty, perhaps because technologically advanced civilizations are doomed ...

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

Are aliens real? The question has animated conspiracy theories for decades and enthralled at least one former president of the United States. In a recent interview, Barack Obama became the first ...

A recent theory proposed by a NASA scientist suggests that extraterrestrial civilizations may not possess the wildly advanced technology that many UFO enthusiasts expect. This perspective, which ...

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

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 ...

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.

Editor's note: The below contains spoilers for Alien: Earth Episodes 1 & 2. The Alien franchise has always been focused on the race for immortality, and Noah Hawley's perfect organism, the FX original ...

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