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 ...

Everyone loves a good alien invasion story, preferably one with city-sized ships and physics-defying tech. There's just one big problem with that. The Milky Way is estimated to contain 100 to 400 ...

The discovery of a mysterious interstellar object called "3I/ATLAS" and its transit through our solar system has set off all kinds of speculation about whether the fairly massive visitor could be some ...

IMAGES of an unusual pyramid-shaped structure on Mars that look like those in Egypt have reignited wild theories about aliens living on the planet. All sorts of bizarre objects have been spotted ...