Engineers in the United States have created AI-powered robots that can evolve and reconfigure themselves, as well as recover from damage. The alien-like machines, described as ‘legged metamachines’, ...

The first unmistakable signal from another intelligence may not be a cheerful greeting. A growing group of researchers is arguing that our inaugural contact is more likely to be a distress call, the ...

Assuming intelligent aliens know how to harvest energy from stars, would humanity be able to spot these high-level structures? Reading time 3 minutes Assuming aliens do physics like us but are ...

There’s no denying the allure of alien artifacts. Science fiction is awash in the material remnants of extraterrestrial civilizations, which surface in everything from the classic books of Arthur C.

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...