Learn how Hubble is measuring the expansion rate of the Universe in this new explainer from NASA's Goddard Space Flight ...

Most explanations rely on "dark energy" to explain the Universe's accelerating expansion rate, but a new study takes a different path.

In this mosaic image stretching 340 light-years across, Webb’s Near-Infrared Camera (NIRCam) displays the Tarantula Nebula star-forming region in a new light, including tens of thousands of ...

The Hubble constant describes the current expansion rate of the universe and is a core parameter in modern cosmology. However ...

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, ...

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

So, assuming both the CMB measurements and the new JWST/Hubble measurements are accurate, the Hubble constant isn't constant? Click to expand... The Hubble constant is the current value of the Hubble ...

New observations from the James Webb Space Telescope suggest that a new feature in the universe—not a flaw in telescope measurements—may be behind the decadelong mystery of why the universe is ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

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 ...