For years, cosmologists have argued over a simple question with an awkward answer: How fast is the universe expanding right ...

We have known for several decades that the universe is expanding. Scientists use multiple techniques to measure the present-day expansion rate of the universe, known as the Hubble constant. These ...

AUSTIN (KXAN) — A commonly held belief that the universe is rapidly expanding may be wrong. A new paper published this month suggests the universe’s expansion might be slowing down and it could mean ...

That the universe is expanding has been known for almost a hundred years now, but how fast? The exact rate of that expansion ...

We’ve been told by science that the universe is expanding relentlessly, driven by a mysterious force called dark energy.

A rare gravitationally lensed supernova called SN 2025wny appears in five separate images due to the gravity of two ...

Hubble constant. The Hubble constant is crucial in understanding the rate of expansion of the universe and, by extension, estimating the universe’s age. This collaborative effort unites various ...

A new Utah Valley University study is providing new evidence in a debate astronomers across the world haven’t been able to agree on — how fast the universe is expanding. The findings may add more fuel ...

Physicist Sean Carroll explains how physics, astronomy, philosophy, and classics all help us understand the expanding universe and our place in it ...

For the last 25 years, most scientists have believed that about 70% of the universe is formed by something called ‘’dark ...

New data from major dark-energy observatories suggest the universe may not expand forever after all. A Cornell physicist calculates that the cosmos is heading toward a dramatic reversal: after ...