Cosmology | Universe Today

Cosmology

Searching for the End of the Universe’s “Dark Age”

According to the most widely accepted cosmological theories, the first stars in the Universe formed a few hundred million years…

3 weeks 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.

3 weeks ago

A New Telescope is Ready to Start Searching for Answers to Explain Dark Energy

Back in 2015, construction began on a new telescope called the Dark Energy Spectroscopic Instrument (DESI). Later this year, it…

1 month 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…

1 month ago

Study of 200,000 Galaxies Reveals the Entire Universe Might Have Been Spinning in One Direction Early On

A new study finds evidence that the universe as a whole is rotating, and that could have big implications for…

1 month ago

In the far future, the universe will be mostly invisible

If you look out on the sky on a nice clear dark night, you'll see thousands of intense points of…

2 months ago

Could The Physical Constants Change? Possibly, But Probably Not

The laws of physics are rooted in universal physical constants. But what if these constants change over time?

2 months ago

How Do You Weigh The Universe?

If we can find the weight of everything in the universe, we can better understand how the universe came to…

2 months ago

Why was there more matter than antimatter in the Universe? Neutrinos might give us the answer

The universe is filled with matter, and we don't know why. We know how matter was created, and can even…

3 months ago

New observations show that the Universe might not be expanding at the same rate in all directions

When we look at the world around us, we see patterns. The Sun rises and sets. The seasons cycle through…

3 months ago