Hubble Constant

Webb and Hubble telescopes affirm the Universe’s expansion rate

Webb measurements shed new light on a decade-long mystery.

A new possible explanation for the Hubble tension

A solution to one of the great mysteries of cosmology.

Webb verifies Hubble’s measurement of the universe’s expansion rate as accurate

The role of JWST in uncovering the Hubble Tension.

A new technique to measure the expansion rate of the Universe

Their data provide insight into a longstanding debate in the field of astronomy.

Previously unnoticed mathematical property of cosmological models discovered

Ghostly ‘mirror world’ might be the cause of cosmic controversy.

Astronomers agreed that the universe is nearly 14 billion years old

A new view of nature’s oldest light adds a twist to debate over the universe’s age.

New estimates of neutron star size and Hubble constant

Multi-messenger astronomy.

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