In standard cosmological models, the formation of cosmological structures begins with the emergence of small structures, which subsequently undergo hierarchical merging, leading to the formation of larger systems. As the ...
Astronomy
Jan 23, 2024
0
188
In 1950, during a lunchtime conversation with colleagues at the Los Alamos National Laboratory, famed physicist Enrico Fermi asked the question that launched a hundred (or more) proposed resolutions. "Where is Everybody?"
Astronomy
Jan 3, 2024
27
118
A new study led by a joint team at Nagoya University and the National Astronomical Observatory of Japan has measured the cosmic age of a very distant galaxy. The team used the ALMA radio telescope array to detect a radio ...
Astronomy
Jan 25, 2023
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149
It is a widely accepted theory today that when the first stars formed in our universe approximately 13 billion years ago, they quickly came together to form globular clusters. These clusters then coalesced to others to form ...
Astronomy
Jul 28, 2020
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252
Using known distances of 50 galaxies from Earth to refine calculations in Hubble's constant, a research team led by a University of Oregon astronomer estimates the age of the universe at 12.6 billion years.
Astronomy
Jul 27, 2020
15
648
New data released today by the Atacama Cosmology Telescope (ACT) in Chile indicate our universe is around 13.8 billion years old, matching the measurements made by the Planck satellite in 2015, and calling into question the ...
Astronomy
Jul 16, 2020
4
201
The unprecedented sensitivity of space telescopes has powered a revolution over the past decade in our understanding of galaxies in the young universe during its first billion years of existence. These primitive objects are ...
Astronomy
May 28, 2015
1
161
After two years of searching for a special radioactive decay that would provide an indication of new physics beyond the standard model, an experiment deep under ground near Carlsbad has so far found no evidence of its existence. ...
General Physics
Jun 4, 2014
6
1
Top scientists from a variety of fields say they are about as certain that global warming is a real, man-made threat as they are that cigarettes kill.
Environment
Sep 24, 2013
14
0
Before there was life on Earth, there were molecules. A primordial soup. At some point a few specialized molecules began replicating. This self-replication, scientists agree, kick-started a biochemical process that would ...
Cell & Microbiology
Sep 13, 2013
49
1
