Life's Little Mysteries answers fascinating questions about the world around you and the stuff in it, from things in the news and on your mind to crazy questions you didn't even know you had.
Do giant living planets like Mogo and Pandora have any place in reality?
Scientists and scientific publications don't often get to pull pranks or tell lies. When April 1st rolls around, they are ready to let rip.
There are three main scenarios for how a human-alien encounter might play out.