Curiosity, which is exploring Gale Crater, conducted a chemistry experiment on a rock sample that revealed complex carbon ...

The US Government has released a new trove of documents on cases of "unidentified anomalous phenomena" (UAPs)—many of which would have been described in the past as unidentified flying objects or UFOs ...

Until the U.S. government has data or samples of alien material that can be shared, the story of extraterrestrial visitors is ...

Scientists long assumed Venus’s harsh environment would quickly destroy artifacts from probe missions. But a new study makes ...

Among the most startling revelations is a 1966 FBI memo detailing reports of small, space-suited figures emerging from ...