Unexpected epochs of stillness that punctuate the cosmic timeline could offer a natural explanation for dark matter and many other unsolved astronomical mysteries ...

Dark energy is still a mystery, but powerful new telescopes are set to uncover clues. With NASA and ESA leading the charge, ...

The hypothesis therefore disputes the idea that more remote galaxies are traveling faster than nearby ones, and has been used ...

Astronomers have been confounded by recent evidence that the universe expanded at different rates throughout its life. New findings risk turning the tension into a crisis, scientists say.

in which he stated that the expanding universe was the same in all directions -- the same laws applied, and its composition was the same -- but it was not static. He had no data to prove this ...

The first is taken by measuring tiny fluctuations in the cosmic microwave background (CMB) — an ancient snapshot of the universe's first light contained within microwave static produced just ...