Are we alone in the Universe? With more than 100 billion galaxies in the observable universe and at least 500 billion planets ...

When scientists search for life beyond Earth, Mars usually gets most of the attention. But another world may offer an even ...

Sagan's team created the greatest puzzle of all time, which you can only solve if your species understands the basic nature ...

K2-18b is one of the most promising worlds for the search for extraterrestrial life, so astronomers conducted an unusually ...

With the release of Disclosure Day, Steven Spielberg’s new film about aliens, a question as old as science fiction itself resurfaces: if aliens were to arrive on Earth, would they come to conquer us, ...

The United States government's recent release of hundreds of previously classified unidentified anomalous phenomena (UAPs) cases spanning the 1940s to the present, along with the new Steven Spielberg ...

Director Steven Spielberg claimed aliens have already visited planet Earth – and now scientists said he may be on the money, ...