A NASA astronaut preparing for a grueling eight-month stint in orbit reveals a plan to test for extraterrestrial life.

Ross Coulthart speculates SpaceX employees could be read into secret UFO programs.

These wildly different films explore the wondrous, and sometimes terrifying possibilities of contacting extra-terrestrial life.

A NASA‑linked study argues that alien probes could already be in our Solar System, but our surveys are still too crude to ...

When interstellar comet 3I/ATLAS was discovered by the ATLAS survey telescope in Chile on July 1, 2025, it quickly attracted ...

SETI Institute's radio scans of interstellar comet 3I/ATLAS found no evidence of alien technology, confirming its natural origins.

There were no ‘technosignatures’ from comet 3I/ATLAS, the third known object from a faraway star ...

The group leading the charge in the search for extraterrestrial life has given the all clear: An interstellar comet looks to be completely natural and free of any alien tech. The SETI Institute said ...

NASA wants to send an ambitious fleet of helicopters to soar through Martian skies—but scientists fear the endeavor could ...

Even at this early stage in our spacefaring age, humanity has already begun sending probes that will eventually reach other ...

Is the rest of the cosmos a pristine environment awaiting the arrival of humanity’s “post-human” descendants? Or is advanced ...