Hubble constant

New Observations Agree That the Universe is 13.77 Billion Years old

A new measure of the cosmic microwave background supports an older universe, and raises more problems for cosmology.

2 weeks ago

Astronomers Improve Their Distance Scale for the Universe. Unfortunately, it Doesn't Resolve the Crisis in Cosmology

Astronomers have made the cosmic distant ladder more accurate, but that has only made the mystery of cosmic expansion even…

3 weeks ago

How Loop Quantum Gravity Could Match Anomalies in the CMB with Large Structures in the Modern Universe

A strange celestial tension could be caused by a cosmic tango between events at very small and very large scales.

6 months ago

Evidence is Building that the Standard Model of the Expansion of the Universe Needs some new Ideas

Astronomers have measured the Hubble constant using astrophysical masers, and the result makes our understanding of cosmic expansion even worse.

7 months ago

A New Test Confirms Dark Energy and the Expansion of the Universe

Our measurements of dark energy give contradictory results. A new study confirms dark energy, but suggests it is more strange…

8 months ago

There’s a new method to measure the expansion rate of the Universe, but it doesn’t resolve the Crisis in Cosmology

In a recent post I wrote about a study that argued dark energy isn't needed to explain the redshifts of…

1 year ago

Quasars with a Double-Image Gravitational Lens Could Help Finally Figure out how Fast the Universe is Expanding

How fast is the Universe expanding? That's a question that astronomers haven't been able to answer accurately. They have a…

2 years ago

How Fast is the Universe Expanding? Hubble and Gaia Team Up to Conduct the Most Accurate Measurements to Date

A new study used data from both Hubble and Gaia in order to obtain the most precise measurements of cosmic…

3 years ago

Precise New Measurements From Hubble Confirm the Accelerating Expansion of the Universe. Still no Idea Why it’s Happening

A new survey performed by the SHoES team using Hubble has confirmed that the Universe is in an accelerated rate…

3 years ago