New research suggests that alien radio signals may be transformed by plasma from their home stars — and scientists on Earth ...

A Stanford scientist's model suggests many small rocky planets can't sustain atmospheres, potentially explaining the scarcity ...

Scientists can't fully agree on what GJ504b actually is. It may be a massive planet or a brown dwarf, a mysterious class of ...

As for those salt clouds, the salt is not table salt or even Pink Himalayan Rock Salt, though that would go splendidly with ...

SETI scientists searched the interstellar object 3I/ATLAS for radio signals that could indicate extraterrestrial technology ...

The planets are extremely large, with TOI-791 b being about the same size as Jupiter, and TOI-791 c even larger. Yet, they ...

“Do not shout ‘alien!’” Amid surge of public interest in UFOs or UAP, one group updated its rules for how news of extraterrestrials should be revealed.

Scientists propose building a lab on the moon to screen Mars and other space samples for alien microbes before they ever ...

The United States government’s recent release of hundreds of previously classified Unidentified Anomalous Phenomena (UAPs) ...

Steven Spielberg's claims of alien visits to Earth spark debate among scientists, who stress the lack of credible evidence ...

NASA's Perseverance rover has uncovered one of the most intriguing clues yet in humanity's search for life beyond Earth.