Add Yahoo as a preferred source to see more of our stories on Google. The only thing stranger than science fiction is science fact. Dark Matters: Twisted But True, a short-lived documentary series ...

An international collaboration, including Northwestern University, has reached a critical milestone in the search for dark ...

Now physicists from the University of Washington are taking a big swing at answering that question. All matter exerts gravitational force. The more mass the object has, the greater the force. Yet, a ...

The universe is packed with riddles, but few are as stubborn or as fascinating as dark matter. First proposed in 1933 by astronomer Fritz Zwicky, this elusive substance refuses to play by the rules: ...

T he first time I heard about galaxies without dark matter, I was sitting in my very first graduate class at the University ...