The curious minds at What If examine the biological, social, and evolutionary consequences of a hypothetical interspecies encounter between humans and extraterrestrial beings.

Critics and audiences have never agreed on everything, but sometimes the divide is almost impossible to ignore. A movie gets ...

If someone told you 20 years ago that we’d be gaining new information through mini-computers in our pockets, you would ...

Lovebirds are unusual not just because of their shameless PDA, but because they choose one mate for life. While more than 90 ...

Over the course of a decade, Stargate SG-1 developed a lot of traditions, but none have been mocked by the fanbase like this ...

Scientists have long known that ancient Homo sapiens and Neanderthals lived alongside each other for thousands of years—until ...

When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of ...

Explaining the passage of time has been a gnarly problem in physics basically forever, but physicist and computer scientist ...

These colossal clams were rumoured to kill humans but the opposite is true – climate change, pollution and overharvesting are ...

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

The curious minds at What If explore what would happen if you mated with an alien.

President Donald Trump made a jaw dropping jibe when he was allegedly briefed on alien “hybrids” living among humans.