Ever since physicist Freeman Dyson first proposed the concept in 1960, the "Dyson sphere" has been the holy grail of ...

But the creepiest layer of Marathon ’s mythology involves entities called the W’rkncacnter — primordial forces of chaos so dangerous they were imprisoned inside stars, black holes, and only ...

Some believe the Betz mystery sphere, a steel ball that a Florida family found on their property in 1974, is a piece of alien technology. Here’s the truth.

Looking for molecular evidence of life on other worlds is tricky, but a test based on the reactivity of carbon compounds ...

They had larger heads, larger eyes,” she said, describing one alien group. At the 24th annual Conscious Life Expo, which ...

The old World history textbook I used in school specifically stated something like, “Some people, looking at the Pyramids of ...

Shaped by a different biology or culture, other intelligent civilisations – if they’re out there – might understand the ...

A baffling triangular formation deep in the Nevada desert is igniting theories that it could be the handiwork of a forgotten ancient civilization.

Interstellar comet 3I/ATLAS has steadily been making its exit ever since it had a rendezvous at the end of October with the sun.

President Trump on Thursday directed his administration to release files on UFOs and any "alien and extraterrestrial life," an issue that has drawn decades of public fascination — and spawned more ...

If you're driving down San Pedro Avenue or stuck in rush hour traffic in San Antonio, you've probably noticed a pyramid-shaped structure towering above Loop 410. Maybe you're like me, and you've ...