Sci-fi movies explore many great ideas, but movies like Alien deserve to be considered greats and remain at the top decades ...

Often spawned from some of the most horrifying "Star Trek" stories, these upsetting alien races are more than just scary.

Is there an Outer SpaceX? With 3I/ATLAS set to fly by Earth in just over a week, experts continue to speculate over its origins. Harvard Scientist Avi Loeb believes that if aliens, the comet wouldn’t ...

The comet 3I/ATLAS is taking a long holiday journey this year. It's visiting from another solar system altogether. It's the third interstellar object recorded passing through our solar system.