cosmic microwave background
Webb Observations Shed New Light on Cosmic Reionization
The "Epoch of Reionization" was a critical period for cosmic evolution and has always fascinated and mystified astronomers. During this…
Gravitational Lens Confirms the Hubble Tension
Astronomers want new ways to measure distance in the Universe, working to calculate its rate of expansion. A new image…
Webb Continues to Confirm That Universe is Behaving Strangely
Over a century ago, astronomers Edwin Hubble and Georges Lemaitre independently discovered that the Universe was expanding. Since then, scientists…
A Radio Telescope on the Moon Could Help Us Understand the First 50 Million Years of the Universe
In the coming decade, multiple space agencies and commercial space providers are determined to return astronauts to the Moon and…
New Telescopes to Study the Aftermath of the Big Bang
The NSF just awarded researchers at UChicago to start developing the CMB-S4 experiment, which will map the earliest moments of…
Colliding Neutron Stars Could Help Measure the Expansion of the Universe
A new study presents a novel and independent method for measuring cosmic expansion using kilonova
Another New Way to Measure Distance in the Universe: Baryon Acoustic Oscillations
A team of astronomers have developed a new technique that relies on Baryon Acoustic Oscillations to measure cosmic distances.
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…
Could a Dark Energy Phase Change Relieve the Hubble Tension?
A new study suggests that the Hubble Constant could be resolved by the presence of a "New Early Dark Energy"…
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,…