A massive spaceship appears in the night sky. Communications are cut off, and cities around the world are attacked. Humanity rises above national borders to make a final stand against an enemy with ...

Harvard scientist Avi Loeb, who thinks that the interstellar object racing towards the inner solar system could be an alien spaceship, has called on world leaders to come up with an action plan that ...

Imagine receiving an alert on your phone from a government agency at night, warning you about an alien attack, when you have barely made it onto your bed. That is what happened to thousands of ...