Hubble tension

Early Dark Energy Could Resolve Two of the Biggest Mysteries in Cosmology

Of all the mysteries facing astronomers and cosmologists today, the "Hubble Tension" remains persistent! This term refers to the apparent…

2 months ago

Red Giants Offer a New Way to Measure Distance in the Universe

For nearly three decades now, it's been clear that the expansion of the Universe is speeding up. Some unknown quantity,…

8 months ago

Webb Continues to Confirm That Universe is Behaving Strangely

Over a century ago, astronomers Edwin Hubble and Georges Lemaitre independently discovered that the Universe was expanding. Since then, scientists…

8 months ago

Measuring Distances in the Universe With Fast Radio Bursts

Astronomers still aren't entirely sure what causes fast radio bursts, which can briefly release a galaxy's worth of energy. However,…

9 months ago

Astronomers Rule Out One Explanation for the Hubble Tension

Astronomers measure the Universe's expansion rate and have found a discrepancy between the speed nearby versus the speed measured in…

10 months ago

If You Account for the Laniakea Supercluster, The Hubble Tension Might Be Even Larger

When you measure the Universe's expansion rate to relatively nearby galaxies against the expansion rate in the cosmic microwave background…

12 months ago

Colliding Neutron Stars Could Help Measure the Expansion of the Universe

A new study presents a novel and independent method for measuring cosmic expansion using kilonova

1 year ago

It's Going to Take More Than Early Dark Energy to Resolve the Hubble Tension

Astronomers have measured the Universe's expansion rate and found that various methods don't agree, and their error bars don't overlap.…

1 year ago

JWST is the Perfect Machine to Resolve the Hubble Tension

Over the last decade, various measurements have disagreed over the rate that the Universe is expanding. Astronomers use Cepheid variables…

1 year ago

The First Light in the Universe Helps Build a Dark Matter Map

The Atacama Cosmology Telescope (ACT) collaboration used years of cosmic microwave background data to create a new map of Dark…

2 years ago