Was alien life in "hot water" on Mars billions of years ago? New evidence from the Martian meteorite "Black Beauty" suggests ...

Scientists have found microorganisms crawling over a sample retrieved from the 200 million-mile-distant asteroid Ryugu. But ...

The review includes hundreds of cases of misidentified balloons, birds and satellites as well as some that defy easy ...

Jon Kosloski, the head of the Pentagon's All-Domain Anomaly Research Office, testified before a Senate Armed Services ...

The U.S. government has received more than 700 reports of unexplained phenomena but have found no proof of extraterrestrial ...

Panspermia is the hypothesis that life can survive the transfer between planetary bodies as a secondary path for life to get ...

The Pentagon said Thursday it has not discovered any verifiable evidence of extraterrestrial beings, activity or technology ...

The Pentagon has released its annual report on UFO sightings, or what it officially calls unidentified anomalous phenomena ...

Japanese researchers developed a model to simulate early Earth's atmosphere, revealing how UV radiation and hydrocarbons ...

underscoring just how hard it is to probe off-Earth samples for evidence of extraterrestrial life. "The presence of terrestrial microorganism within a sample of Ryugu underlines that ...

Instead, the microorganisms originated from Earth, indicating that the samples somehow got contaminated by our own pesky microorganisms, underscoring just how hard it is to probe off-Earth samples for ...