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 ...

What can a piece of debris from another star tell astronomers about planets they may never see directly? The answer has changed dramatically since the first confirmed object from another star crossed ...

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.

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

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

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 ...

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