The White House has lifted the lid on the shock extent of an "alien invasion" which has blighted US soil for the past six ...

The Department of War just dumped a huge batch of UFO files, but does it have proof of aliens? Here's what we make of it.

For fans of reading paperwork about aliens.

Add Yahoo as a preferred source to see more of our stories on Google. Adapt or die: How do you grow and evolve to fit into an alien environment? How do you create change in the face of overwhelming ...

Not every alien is trying to invade Earth, but if you're looking for the thrills and danger of an alien invasion, you can't ...