Everything we see around us, from the ground beneath our feet to the most remote galaxies, is made of matter. For scientists, that has long posed a problem: According to physicists’ best current ...

Add Yahoo as a preferred source to see more of our stories on Google. illustration of matter and antimatter Matter and antimatter should have completely wiped each other out eons ago, leaving the ...

How a mysterious particle could explain the universe’s missing antimatter Everything we see around us, from the ground beneath our feet to the most remote galaxies, is made of matter.