Polling shows that nearly half of Americans now believe aliens have visited this planet—and that the number who aren't sure ...

A mysterious object claimed to be an 'alien battleship' reached its nearest point to the Earth on Friday, December 19.Known ...

Today is one astronomers, stargazers and alien conspiracy theorists have been waiting for: interstellar comet 3I/ATLAS is as ...

The controversial Harvard astronomer is one of the main sources of the "alien mothership" hypothesis. This is what he thinks, ...

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...