And we realized that dark energy energy associated with empty space can drive us. So we've had evidence for dark energy con pretty convincing evidence that's out there for nearly 30 years.

In May 1999, Perlmutter and his colleagues published a paper in Science that outlined their ideas about a newly understood force in the universe — dark energy. “The universe is made up mostly ...

Astronomers studying the accelerating expansion of the universe have found that dark energy, the force thought to be responsible, may not be constant as previously believed. New analyses of ...

NEW YORK — (AP) — Distant, ancient galaxies are giving scientists more hints that a mysterious force called dark energy may not be what they thought. Astronomers know that the universe is ...

Distant, ancient galaxies are giving scientists more hints that a mysterious force called dark energy may not be what they thought. Gravity has shaped our cosmos. Its attractive influence turned ...

Dark energy is a mysterious force making the universe fly apart faster and faster. Its discovery came from one of the most unexpected results in the history of astronomy: in the late 1990s ...