Dark energy is still one of the greatest cosmic mysteries. For all the time, money and telescopes that humanity has used to ...

Add Yahoo as a preferred source to see more of our stories on Google. Astronomers have to use indirect evidence, like the explosions of Type Ia supernovae, to investigate the impacts of dark energy.

Although some compelling evidence exists to support the idea that a repulsive force similar to dark energy exists, it has yet to be directly observed or measured. To circumvent this uncomfortable ...

Distant, ancient galaxies are giving scientists more hints that a mysterious force called dark energy may not be what they thought.See an excerpt of an interview in the video aboveAstronomers know ...

Recent findings suggest that dark energy may not be a fixed constant but could evolve. It has led scientists to theorize that the universe might, in the end, reverse its expansion and collapse in a ...