What If on MSN

What if aliens are actually humans from the future?

What if you found out that you had a long-lost relative? And what if that long-lost relative was from a different planet in ...

If aliens landed on Earth tomorrow, what would they eat?

With the release of Disclosure Day, Steven Spielberg’s new film about aliens, a question as old as science fiction itself ...

Did Donald Trump secretly meet mysterious human-like aliens at the White House? Truth behind the viral photos

Viral images falsely depicting President Trump meeting mysterious figures at the White House have sparked alien conspiracy ...

UAP task force member thinks she may have encountered two aliens 'humanoid enough to blend in'

Fresh claims about unidentified anomalous phenomena (UAPs), alleged UFO and extraterrestrial encounters, and government ...

What could alien life look like? These Earthlings offer clues.

Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for first contact with extraterrestrial life.