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.

Does time always flow in one direction? This perplexing question has captivated philosophers and scientists for centuries, ...

A new study proposes a way to use weak gravitational lensing data to test the long-held Cosmological Principle of the ...

A unique dataset of Type Ia supernovae being released today could change how cosmologists measure the expansion history of ...

This suggests that gravity may not be a fundamental force but rather ... some of the most profound questions in cosmology and theoretical physics. Matrix Models: Theoretical frameworks in which ...

Fundamental physics, dark energy, matter, and universe expansion will be explored during a free lecture offered to high ...