Cosmology | Universe Today

Cosmology

The Debate Over Cold Dark Matter Warms Up As Astronomers Take Its Temperature

Dark matter has long been one of the most mysterious things in the cosmos. It was first proposed in the…

5 days ago

There’s a new method to measure the expansion rate of the Universe, but it doesn’t resolve the Crisis in Cosmology

In a recent post I wrote about a study that argued dark energy isn't needed to explain the redshifts of…

2 weeks ago

New Research Casts A Shadow On The Existence Of Dark Energy

The universe is expanding. When we look in all directions, we see distant galaxies speeding away from us, their light…

2 weeks ago

Astronomers Are About to Detect the Light from the Very First Stars in the Universe

A team of scientists working with the Murchison Widefield Array (WMA) radio telescope are trying to find the signal from…

2 months ago

A Fifth Fundamental Force Could Really Exist, But We Haven’t Found It Yet

The universe is governed by four fundamental forces: gravity, electromagnetism, and the strong and weak nuclear forces. These forces drive…

2 months ago

Watch a Simulation of a Galaxy, From the Big Bang Until the Present Day

The large-scale and highly-detailed TNG50 simulation has allowed scientists to shed new light on the evolution of the cosmos and…

2 months ago

New Research Suggests that the Universe is a Sphere and Not Flat After All

The universe is a seemingly endless sea filled with stars, galaxies, and nebulae. In it, we see patterns and constellations…

3 months ago

What Was The First Color In The Universe?

The universe bathes in a sea of light, from the blue-white flickering of young stars to the deep red glow…

3 months ago

Gravitational Wave Detectors Might be Able to Detect Dark Matter Particles Colliding With Their Mirrors

According to a new study by a team of Japanese researchers, gravitational wave detectors could be used to confirm the…

5 months ago

Astronomers Uncover Dozens of Previously Unknown Ancient and Massive Galaxies

An international team of astronomers led by the University of Tokyo used ALMA to view 39 previously-undiscovered ancient galaxies.

5 months ago