Add Yahoo as a preferred source to see more of our stories on Google. Dark energy is one of the greatest mysteries of the universe. This mysterious force is thought to be accelerating the expansion of ...

Gravity, the force that attracts objects toward each other, is currently framed by Albert Einstein's theory of general ...

For those who see the world as a dark place, the universe seems to offer little solace. According to current estimates, ...

This dark energy project was meant to map just a portion of the skies over a five-year period, but it performed even better ...

Science is a story of coming up with theories then doing our best to disprove them. That is especially true for theories on a grand, cosmological scale, though disproving them can be particularly hard ...

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 ...

Almost 30 years ago, dark energy was proposed as the force responsible for the accelerating expansion of the universe. But for UC Davis mathematicians, the math didn't add up. Their new study ...

A new theory suggests the universe is constantly recording its own history in the fabric of spacetime. If correct, this ...

“Dark energy” is a term scientists use to refer to whatever is causing the universe to expand faster over time. We don’t know exactly what dark energy is—no one has ever directly seen or measured ...

Only a small part of the universe consists of visible matter. By far the largest part is invisible and consists of dark matter and dark energy. Very little is known about dark energy, but there are ...