Add Yahoo as a preferred source to see more of our stories on Google. In the very early, very hot moments of the universe, the electromagnetic and weak nuclear forces were actually the same force—the ...

In the Star Wars films, Obi-Wan Kenobi describes ‘The Force’ as “an energy field created by all living things. It surrounds us and penetrates us; it binds the galaxy together.” If that sounds exotic, ...

Today, the universe as we know it is governed by four fundamental forces: the strong nuclear force, the weak nuclear force, electromagnetism, and gravity. However, these four forces aren’t exactly as ...