Cosmology
What is the Steady State Hypothesis?
When it comes to cosmological theories, the Big Bang theory has historically had only one big contender - the Steady…
Astronomers Simulated How the Universe Would Look Without Dark Matter
A team of European researchers recently simulated how a Universe without Dark Matter would have evolved, with surprising results!
Did Neutrinos Stop The Early Universe From Annihilating Itself?
We can create matter from energy in the lab. Particle accelerators do this all the time. When we do, half…
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…
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…
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…
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…
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…
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…
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…