It drives the movements of stars and galaxies, but dark matter is invisible. While it remains a colossal mystery, a study ...

NASA warns that dark energy could freeze the universe into darkness. Learn what the Big Freeze theory predicts for the cosmos ...

Ultimate Wolverine is helping Ultimate X-Men flesh out the mutant side of the new Ultimate Universe. While Ultimate X-Men is going its own way, introducing new mutants based on old ones and being a ...

Dark energy is a term scientists use to describe an energy or force that accelerates the expansion of the universe. But — although it represents 70% of the energy in the cosmos — researchers ...

There’s more to the universe than meets the eye, he found. His studies led astronomy to the dark side, changing our view of what’s out there. By Dennis Overbye Jeremiah Ostriker, an ...