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

The interstellar comet 3I/ATLAS is leaving our solar system for good. Here's what to know about its journey and NASA's ...

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 ...

The first bubble of hot gas seen around another star has been spotted around the "Moth," just 117 light-years away.

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

Scientists might have just found Earth's icy, distant cousin a few hundred million light-years away. HD 137010 b is one of ...

Space scientists have revealed a new image of the mysterious space rock that passed through our solar system. Researchers said the picture shows the interstellar Comet 3I/ATLAS, suggested to be a ...

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

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, ...

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