In this video dispatch, see how a cosmic collision provides evidence that dark matter really exists. According to Neil deGrasse Tyson, "dark matter" and "dark energy" could just as well be called ...

A mysterious phenomenon at the center of our galaxy could be the result of a different type of dark matter. Dark matter, the mysterious form of unobserved matter which could make up 85% of the ...

We can't see dark matter, but scientists have made the largest map yet of the invisible material that helps make up the universe. Researchers used a dark energy camera and a large telescope to ...