Scientists are challenging the existence of dark energy with a new model called "timescape," which suggests the Universe's ...

For decades, the enigmatic concept of dark energy has been central to cosmology, serving as an explanation for the ...

One of the biggest mysteries in science—dark energy—doesn't actually exist, according to researchers looking to solve the ...

Dark energy is one of the greatest mysteries of the universe. This mysterious force is thought to be accelerating the expansion of the cosmos. But a new study challenges this long-held belief.

Davidson County Sheriff Daron Hall was sitting in the gleaming Downtown Detention Center's visitation area, trying to retrace the steps Alex Friedmann had taken when investigators reviewed 2 ...