The discovery of the cosmic acceleration problem truly inspired me as a teenage physics nerd. Recent, related revelations ...

If dark energy is weakening, as suggested by recent results, then the cosmos is far stranger than most physicists had ...

The universe is poised to die much faster than previously thought, according to new research by Dutch scientists.

"The new model can account for both structure formation and stability, and the key observational properties of the expansion of the universe at large." ...

Cosmologist Katie Mack breaks down what the latest findings about dark energy mean for our universe’s future. Either way, it ...

The vastness of the cosmos hides more than distant stars—it conceals the very forces that shape reality. Astronomers have ...

Shocking’ results from a major astronomical study have raised doubts about the standard model of cosmology, forcing ...

A study by Dartmouth researchers proposes a new theory about the origin of dark matter, the mysterious and invisible ...

What is the universe's end date? We don't know exactly, but experts now say it could be sooner than previously expected.

Intriguingly, ultralight dark matter might be able to turn into photons (light) — and it's through this process that the research team hopes to eradicate molecular hydrogen and allow gas clouds to ...

Astronomers have made an intriguing discovery that could upend everything we know about the structure of the universe and its ...