Pennsylvania scientists found evidence that we may not be alone . They observed 50 galaxies emitting unusually high levels of radiation . This could be because galaxies are generating the power of entire stars . However , further research is needed to confirm that is the case .
Pennsylvania scientists find evidence that we might not be alone . They found 50 galaxies emitting unusually high levels of radiation . This could be because aliens are harnessing the power of entire stars . However , further research is needed to confirm that is the case .