Hubble constant

Supernovae Were Discovered in all These Galaxies

The Hubble space telescope has provided some of the most spectacular astronomical pictures ever taken. Some of them have even…

3 months ago

Does a “Mirror World of Particles” Explain the Crisis in Cosmology?

A mirror universe model might explain why measurements of Hubble constant disagree.

4 months ago

Hubble is Fully Operational Once Again

After suffering a technical glitch and going into sleep mode for the second time this year, Hubble is once again…

10 months ago

There’s a Problem With Hubble, and NASA Hasn’t Been Able to fix it yet

After thirty years of faithful service, the venerable Hubble is experiencing a technical issue that NASA is still trying to…

1 year ago

Is the Hubble constant not…Constant?

Cosmologists have been struggling to understand an apparent tension in their measurements of the present-day expansion rate of the universe,…

1 year ago

Black Hole-Neutron Star Collisions Could Finally Settle the Different Measurements Over the Expansion Rate of the Universe

If you've been following developments in astronomy over the last few years, you may have heard about the so-called "crisis…

1 year ago

Nancy Grace Roman Telescope is Getting an Upgraded new Infrared Filter

The Nancy Grace Roman Telescope just received a new infrared filter that will allow it to explore even more of…

2 years ago

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 years 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…

2 years 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.

2 years ago