Dark energy is the placeholder name scientists have given to the unknown force causing the universe to expand faster and ...

Scientists are homing in on the nature of a mysterious force called dark energy, and nothing short of the fate of the ...

A project to map galaxies across the universe may have spied cracks in the foundation of our understanding of the cosmos.

Thor is far from the only Marvel hero, or villain, to have been found worthy to wield the mighty Mjolnir and the powers of ...

Bellatrix Lestrange isn't just another villain in Harry Potter, she's the most sadistic force of evil in the entire series.