Most of the universe is missing. Only 5% of it is normal matter, which makes up all the people, planets and stars we can see; the other 95% consists of mysterious dark matter and dark energy.

A persistent, nagging problem with the expansion speed of the Universe may not require a rewrite of everything we know about physics. New measurements taken using the James Webb Space Telescope ...

(via Sabine Hossenfelder) In the past decade, astrophysicists have found a lot of evidence that our large-scale theory for how the universe works has some large-scale problems as well. It has, however ...

It got called the crisis in cosmology. But now astronomers can explain some surprising recent discoveries. Artist illustration of a black hole surrounded by extremely thick clouds of gas and dust.

INDORE, MADHYA PRADESH, INDIA, September 4, 2023/EINPresswire.com/ -- Today, an article appeared in New York Times (NYT), which highlighted the ‘crisis in cosmology ...

Recent observations by the James Webb Space Telescope (JWST) have added new weight to one of the most perplexing problems in cosmology: the Hubble Tension. This issue, which describes the discrepancy ...

(via SciShow) Astronomers have two main ways to calculate how fast the universe is expanding. Unfortunately, they don't agree with one another. The JWST was supposed to help solve this discrepancy, ...