Cosmology

The First Supernovae Flooded the Early Universe With Water

Water is made of hydrogen and oxygen: H2O. The H was formed during the Big Bang, but it took the…

16 hours ago

This Quasar Helped End the Dark Ages of the Universe

After the Big Bang came the Dark Ages, a period lasting hundreds of millions of years when the universe was…

1 day ago

New Study of Supernovae Data Suggests That Dark Energy is an Illusion

Dark energy is central to the standard model of cosmology, but the Timescape model suggests dark matter doesn't exist.

2 weeks ago

Is the Universe a Fractal?

For decades cosmologists have wondered if the large-scale structure of the universe is a fractal: if it looks the same…

3 weeks ago

The JWST Looked Over the Hubble’s Shoulder and Confirmed that the Universe is Expanding Faster

It's axiomatic that the Universe is expanding. However, the rate of expansion hasn't remained the same. It appears that the…

4 weeks ago

Another Clue About the Ultra-High Energy Cosmic Rays: Magnetic Turbulence

Space largely seems quite empty! Yet even in the dark voids of the cosmos, ultra-high-energy cosmic rays are streaming through…

1 month ago

Has the Universe Been Designed to Support Life? Now We Have a Way to Test it!

The anthropic principle states that the fundamental parameters of the Universe such as the strength of the fundamental forces, have…

1 month ago

Webb Sees a Supercluster of Galaxies Coming Together

As a species, we've come to the awareness that we're a minuscule part of a vast Universe defined by galaxy…

1 month ago

Observations by DESI Open the Door to Modified Gravity Models

Observations from the Dark Energy Spectroscopic Instrument suggest that the rate of cosmic expansion may be changing over the time.…

1 month ago

Cosmology is at a Crossroads, But New Instruments are Coming to Help

Thanks to Hubble, JWST, and the Planck mission, we're starting to see cracks in the current ideas in cosmology, expressed…

1 month ago