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

A rare visitor from another star system has undergone one of the most extensive technosignature searches ever conducted on an interstellar object, and the results are now in. According to research ...

Instead of searching the skies for radio signals, scientists suggest the first evidence of an extinct alien civilisation could be buried in lunar soil.