If nonliving materials can produce rich, organized mixtures of organic molecules, then the traditional signs we use to ...

The vast, silent void between the stars occasionally coughs up a visitor that sets the scientific world—and the ...

The gate to the Upside Down has closed after 10 years and 5 seasons—but these films and series will fill the supernatural, ...

With 3I/ATLAS streaking away from our planet, speculation remains as to whether the interstellar comet is alien or not.

Astronomers thought they had seen the "first hints of life on an alien world" this year, but they disappeared under closer ...

Steven Spielberg’s return to alien science fiction with Disclosure Day feels less like a comeback and more like a continuation of a long conversation he helped define. His films have treated ...

Something very significant has been happening in plain sight, and almost no one seems to be noticing. Over the past few years, there have been televised congressional hearings, repeated news segments ...

If aliens are out there, why haven’t we heard from them? That’s the question at the center of Pop Mech’s new story, “Aliens Probably Exist—But They’re Staying Silent For a Reason, NASA Scientist ...

Is there an Outer SpaceX? With 3I/ATLAS set to fly by Earth in just over a week, experts continue to speculate over its origins. Harvard Scientist Avi Loeb believes that if aliens, the comet wouldn’t ...