"The consequences, should the hypothesis turn out to be correct, could potentially be dire for humanity," said Avi Loeb.

If aliens are out there, then our radar systems are putting on quite an electromagnetic show for them. Here’s what you’ll learn when you read this story: The SETI Institute’s goal is to lead a science ...

Using the Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has detected a new exoplanet ...