Sagan's team created the greatest puzzle of all time, which you can only solve if your species understands the basic nature of the universe.

A remarkable post on Instagram and Facebook in April, 2025, was something of an eye catcher: “Texas man admits kidnapping people to anally probe them while disguised as an alien.” Accompanied by a ...

Avi Loeb has suggested that humans themselves may be 'intelligent, self-replicating and self-repairing autonomous probes' built by an advanced alien civilisation, arguing in a new essay published ...

If there are indeed other beings in our galaxy, and they are sophisticated enough to traverse the expanse of space, their very first encounter with humanity might not be with a human. Rather, they ...