Could the universe have more than three dimensions—and if it does, could life exist there? If higher-dimensional beings are possible, they might interact with our world in ways we can’t fully perceive ...

The belief that the pyramids were not built by human hands has fascinated conspiracy theorists for decades. No one promoted that idea more persistently than Swiss author Erich von Däniken, often ...

It turns out that the already frightening Facehugger xenomorph from director Ridley Scott's 1979 sci-fi horror classic "Alien" was actually scaled back a bit from its original design by artist H.R.

It sounds a bit strange at first. Not water, not solid ice — but something in between. The kind of thing you might expect in a sci-fi movie, not in real space research. Yet NASA scientists are now ...

UFO whistleblower David Grusch has reignited global debate after suggesting that angels described in the Bible may have been non-human intelligences, a claim he discussed during an appearance on Joe ...