Cosmology
Largest Dark Matter Detector is Narrowing Down Dark Matter Candidate
In 2012, two previous dark matter detection experiments—the Large Underground Xenon (LUX) and ZonEd Proportional scintillation in Liquid Noble gases…
Estimating the Basic Settings of the Universe
The Standard Model describes how the Universe has evolved at large scale. There are six numbers that define the model…
What Makes a Supercluster?
By eye, it's impossible to pick out the exact boundaries of the superclusters, which are among the largest structures in…
Galaxies in Dense Environments Get Larger
Galaxies are some of the largest clearly defined structures in space. There are trillions of them, and many are clustered…
Webb Relieves the Hubble Tension
Sometimes, when scientists measure things differently, they get different results. Whenever that happens with something as crucial to humanity's long-term…
New Horizons Measures the Background Light of the Universe
Think about background radiation and most people immediately think of the cosmic background radiation and stories of pigeon excrement during…
Galaxies Filled With Old Stars Seen Shortly After the Big Bang
How can young galaxies in the early Universe have ancient stars? That's the question a team of astronomers set out…
Webb Sees Globular Clusters Forming in the Early Universe
Picture the Universe's ancient beginnings. In the vast darkness, light was emitted from a particular galaxy only 460 million years…
Baby Stars are Swarming Around the Galactic Center
The vicinity of Sagittarius A* (Sgr A*), the supermassive black hole at the Milky Way's center, is hyperactive. Stars, gas,…
Rotation Curves of Galaxies Stay Flat Indefinitely
In his classic book On the Structure of Scientific Revolutions, the philosopher Thomas Kuhn posited that, for a new scientific…