Cosmic Microwave Background
A New Look a the Most Ancient Light in the Universe
About 370,000 years after the Big Bang, the Universe had cooled down so light could escape, traveling for billions of…
The First Light in the Universe Helps Build a Dark Matter Map
The Atacama Cosmology Telescope (ACT) collaboration used years of cosmic microwave background data to create a new map of Dark…
Astronomers Make a New Map of all the Matter (and Dark Matter) in the Universe
There's a lot of matter in the Universe, but not all of it is visible to us. Matter is, essentially,…
Perhaps a Supervoid Doesn’t Explain the Mysterious CMB Cold Spot
For years cosmologists had thought that a strange feature appearing in the microwave sky, known as the CMB cold spot,…
Finally, an Explanation for the Cold Spot in the Cosmic Microwave Background
A new study by the Dark Energy Survey (DES) has confirmed the existence of a Supervoid, which could explain how…
New Observations Agree That the Universe is 13.77 Billion Years old
A new measure of the cosmic microwave background supports an older universe, and raises more problems for cosmology.
An Astronomer Checked to see if There’s a Secret Message in the Cosmic Microwave Background Radiation
One way to look for a message in the cosmic microwave background is to convert thermal fluctuations into a binary…
The Average Temperature of the Universe has Been Getting Hotter and Hotter
A recent study by an international team of scientists shows that the Universe is getting hotter (not cooler) with time!
New observations from the Planck mission don’t resolve anomalies like the CMB “cold spot”
A new analysis of Planck mission data has provided no new insights into the anomalies it detected, leaving the door…
What is the Cosmic Microwave Background?
For thousands of years, human being have been contemplating the Universe and seeking to determine its true extent. And whereas…