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 ...

Did an alien spacecraft just fly by Earth? That’s the question a lot of people, including Harvard astrophysicist Avi Loeb, are asking right now. A massive interstellar object called 3I/ATLAS which ...

Are there alien civilizations hiding beneath ice-covered oceans on distant planets? In this video, we explore the science behind "water worlds" and why they’re the most promising places to search for ...