We have discovered two interstellar objects so far, ’Oumuamua and Comet 2I/Borisov. ’Oumuamua had no dust tail and a significant nongravitational acceleration, which led to a wide variety of ...

In the original Star Wars trilogy, only one Imperial officer had the cunning and savvy to survive more than one film. That’s ...

The European Space Agency said Wednesday that scientists have discovered what might be only the third known interstellar ...