Why is the universe expanding at an ever-increasing rate? This is one of the most exciting yet unresolved questions in modern ...

WASHINGTON (Reuters) - Fresh corroboration of the perplexing observation that the universe is expanding more rapidly than expected has scientists pondering the cause - perhaps some unknown factor ...

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 ...

For decades, the space community has been puzzled by a cosmic mystery: the universe seems to be expanding faster than it should be. This discrepancy, known as the Hubble Tension, has challenged our ...

The big picture: Astronomers have observed something unusual in the data gathered by the Hubble Space Telescope: the universe seems to be expanding faster today than it was billions of years ago, ...

The team explores one of the greatest discoveries of modern astronomy - that our universe is expanding - and the new questions it raises about how the cosmos works. The team explores one of the ...

We know many things about our universe, but astronomers are still debating exactly how fast it is expanding. In fact, over the past two decades, two major ways to measure this number—known as the ...