Einstein's theory of gravity—general relativity—has been very successful for more than a century. However, it has theoretical shortcomings. This is not surprising: the theory predicts its own failure at spacetime singularities ...
General Physics
Sep 25, 2023
90
1036
Galaxies from the early universe are more like our own Milky Way than previously thought, flipping the entire narrative of how scientists think about structure formation in the universe, according to new research published ...
Astronomy
Sep 22, 2023
55
371
A team of international researchers, led by experts at the University of Adelaide, has uncovered further clues in the quest for insights into the nature of dark matter.
General Physics
Sep 18, 2023
237
317
It's difficult to determine the shape of our galaxy. So difficult that only in the last century did we learn that the Milky Way is just one galaxy among billions. So it's not surprising that despite all our modern telescopes ...
Astronomy
Sep 18, 2023
2
114
One of the most interesting and important questions in cosmology is, "How much matter exists in the universe?" An international team, including scientists at Chiba University, has now succeeded in measuring the total amount ...
Astronomy
Sep 13, 2023
16
1978
At the center of every galaxy is a supermassive black hole. Beyond a certain size, these become active, emitting huge amounts of radiation, and are then called quasars. It is thought these are activated by the presence of ...
Astronomy
Sep 12, 2023
0
72
As the universe evolves, scientists expect large cosmic structures to grow at a certain rate: dense regions such as galaxy clusters would grow denser, while the void of space would grow emptier.
General Physics
Sep 11, 2023
12
1788
New research, published in The Astrophysical Journal, has revealed the distribution of dark matter in never-before-seen detail, down to a scale of 30,000 light-years. The observed distribution fluctuations provide better ...
Astronomy
Sep 7, 2023
0
1234
Patescibacteria are a group of puzzling, tiny microbes whose manner of staying alive has been difficult to fathom. Scientists can cultivate only a few types, yet these bacteria are a diverse group found in many environments.
Cell & Microbiology
Sep 7, 2023
0
73
Hydrogen is the most abundant element in the universe, by far. More than 90% of the atoms in the universe are hydrogen. Ten times the number of helium atoms, and a hundred times more than all other elements combined. It's ...
Astronomy
Sep 6, 2023
1
39
