MindNew Quiet Place movie adds to irrational fears over marauding aliens Sci-fi depictions of extraterrestrial invasions can heighten anxiety about our efforts to make first contact, says METI president Douglas VakochComment
SpaceDozens of stars show signs of hosting advanced alien civilisations Sufficiently advanced aliens would be able to capture vast quantities of energy from their star using a massive structure called a Dyson sphere. Such a device would give off an infrared heat signature - and astronomers have just spotted 60 stars that seem to match News