Comets are often treated as leftovers, but sometimes the leftovers become the primary focus. That is the case with 3I/ATLAS, only the third known interstellar object seen crossing the solar system, ...

The researchers who scan the skies for radio signals from extraterrestrials are now rethinking their approach.

Radio silence has long puzzled those searching for extraterrestrial intelligence, but the answer might lie much closer to the source of potential signals than previously thought. Conditions around ...

A new study shows that stars with low magnetic activity are likely to support exoplanetary systems, making the hunt for these ...

Solar winds near aliens’ homes – and ours – might be blowing away signs of alien technosignatures by broadening signals The SETI Institute, the nonprofit that conducts a search for extraterrestrial ...

Donald Trump has ordered the release of files related to aliens, UAP, and UFOs. If previous disclosures are any indication, get ready for a letdown.

Chalk up another victory for “Conan the Bacterium”—a rugged germ that fresh research suggests could conquer the solar system.

Phil Lord and Christopher Miller turn Bay Area author Andy Weir's novel "Project Hail Mary" into a terrific science fiction popcorn movie.

Scientists detect alcohol on interstellar comet 3I/ATLAS. The strange discovery could reveal secrets about alien solar systems and cosmic chemistry.

Stellar plasma can smear alien radio signals before they escape their star system, making them harder for astronomers to detect.

Turbulent plasma near distant stars could blur ultra-narrow signals before they leave their home star systems - making them ...