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

Aliens may have stopped trying to contact humans because they simply got bored, Nasa scientist claims - Astrophysicist ...

Your phone buzzes with a breaking news alert: "Astronomers detect unusual signal from distant star system." Within hours, social media explodes with alien conspiracy theories, deepfake "evidence," and ...

Add Yahoo as a preferred source to see more of our stories on Google. For as long as humans have looked up at the night sky, we've wondered who, or what, might be looking back. Journalist Becky ...