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H0DN Collaboration Reveals Hubble Tension at 73.50 km/s/Mpc

4/12/2026

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Summary

Story summary

The H0 Distance Network (H0DN) Collaboration reports a local H0 of 73.50 ± 0.81 km/s/Mpc.
The study was published on April 10, 2026, in Astronomy & Astrophysics.
The findings highlight the Hubble tension with early-Universe predictions of 67–68 km/s/Mpc.
The work integrates decades of observations from various ground and space telescopes, including NSF NOIRLab's Cerro Tololo and Kitt Peak observatories in the U.S.

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Story summary

The H0 Distance Network (H0DN) Collaboration reports a local H0 of 73.50 ± 0.81 km/s/Mpc.
The study was published on April 10, 2026, in Astronomy & Astrophysics.
The findings highlight the Hubble tension with early-Universe predictions of 67–68 km/s/Mpc.
The work integrates decades of observations from various ground and space telescopes, including NSF NOIRLab's Cerro Tololo and Kitt Peak observatories in the U.S.