Recent research has unveiled a troubling and persistent mystery at the heart of modern cosmology: the universe is expanding ...

New measurements show that the expansion rate of the universe is faster than can be explained by our current understanding of ...

The universe really seems to be expanding fast. Too fast, even. A new measurement confirms what previous—and highly ...

The Universe really seems to be expanding fast. Too fast, even. A new measurement confirms what previous -- and highly debated -- results had shown: The Universe is expanding faster than predicted by ...

A rare group of aligned, star-birthing dwarf galaxies resemble a cosmic string of pearls. Astronomers have discovered a rare ...

Controversial new findings have reignited the longstanding cosmological quarrel involving what astronomers call the "Hubble ...

Could time itself actually explain our universe's expansion? Our current cosmological model—known as lambda cold dark matter, ...

By looking at light from distant exploding stars called supernovas, in 1998 astronomers discovered the universe isn’t just ...

“These results provide evidence for a need to revisit the foundations of theoretical and observational cosmology,” say the team. At the heart of this debate is the distinction between the ...

"Dark energy is a misidentification of variations in the kinetic energy of expansion, which is not uniform in a Universe as ...

For the past few years, a series of controversies have rocked the well-established field of cosmology. In a nutshell, the predictions of the standard model of the universe appear to be at odds ...