Hubble constant

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,…

2 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…

2 months ago

Webb Sees a Supernova Go Off in a Gravitationally Lensed Galaxy – for the Second Time

Nature, in its infinite inventiveness, provides natural astronomical lenses that allow us to see objects beyond the normal reach of…

5 months ago

If Our Part of the Universe is Less Dense, Would That Explain the Hubble Tension?

In the 1920s, Edwin Hubble and Georges Lemaitre made a startling discovery that forever changed our perception of the Universe.…

6 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

8 months ago

Astronomers Have a New Way to Measure the Expansion of the Universe

A new method of measuring cosmic expansion uses multiple observations of a supernova in a lensed galaxy.

1 year ago

Could a Dark Energy Phase Change Relieve the Hubble Tension?

A new study suggests that the Hubble Constant could be resolved by the presence of a "New Early Dark Energy"…

1 year ago

“Early Dark Energy” Could Explain the Crisis in Cosmology

A new study considers how the presence of Early Dark Energy could help resolve one of the biggest cosmological mysteries…

1 year ago

Astronomers Chart the Influence of Dark Matter and Dark Energy on the Universe by Measuring Over 1,500 Supernovae

Two decades of supernova observations still leave big mysteries unsolved.

2 years ago

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…

2 years ago