After decades of sending radio signals into space, humanity finally receives a reply—but it's nothing like anyone expected. From automated rejections to warnings that Earth is too primitive, these ...

A declassified 1958 CIA memo has resurfaced in the latest UFO document release, revealing a mysterious reference to a ...

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.

What does that final moment mean and why are people so conflicted by the film?

Searching for extraterrestrial intelligence has so far primarily meant focusing on one particular type of signal—and that ...

On the surface, Steven Spielberg's latest can be taken as a sci-fi thriller with a message, but reading between the lines ...

The character of Ziggy Stardust, elaborately created by David Bowie alongside his 1972 conceptual rock opera album, became a ...

The White House’s controversial Aliens.gov portal dehumanises undocumented non-US citizens by blurring the boundaries between ...

Thomas Mulligan examines the potential for catastrophic consequences should humanity encounter communications from advanced extraterrestrial civilizations.

Hollywood makes initiating alien contact seem much easier than it has proven to be. In E.T. the Extraterrestrial, E.T. got stranded on earth when his alien compadres abandoned their botany mission. In ...

Looking ahead: Existing radio surveys may contain signals that were never recognized as potential technosignatures. New analysis methods, including machine learning, could help researchers revisit ...