Mathematicians are challenging the idea that dark energy is responsible for the accelerating expansion of the universe. In a ...

Dark energy has been a mysterious element of cosmological equation since it was proposed three decades ago, but new research ...

Our best model of the cosmos has a glaring mathematical problem, but we may have found an answer.

Dark energy is one of the greatest mysteries in modern physics, comprising nearly 70% of the universe and causing its ...

Two of the biggest physics breakthroughs during the last decade are the discovery that wispy subatomic particles called neutrinos actually have a small amount of mass and the detection that the ...

The universe's expansion may actually have started to slow rather than accelerating at an ever-increasing rate as previously thought, a new study suggests. "Remarkable" findings published today in ...

Certain types of supernovae, or exploding stars, are more diverse than previously thought, a University of Arizona-led team of astronomers has discovered The results, reported in two papers published ...

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Alex Filippenko, a professor of astronomy at UC Berkeley and a member of the National Academy of Sciences and the American Academy of Arts and Sciences, will present “The Accelerating Universe and the ...

For the three astrophysicists who won the Nobel Prize in physics today (Oct. 4), it was only a matter of when, not if, they would get the prize, their peers said. Their discovery that the universe's ...