No matter how elegant your theory is, experimental data will have the last word. Observations of the retrograde motion of the planets were fundamental to the Copernican revolution, in which the sun replaced Earth at the centre ...
Astronomy
Nov 13, 2019
39
183
Although it may have a difficult designation to remember, PSO J030947.49+271757.31, the most distant blazar observed to date, reveals important details about ancient black holes and places tight constraints on theories of ...
Astronomy
Mar 9, 2020
1
651
Theoretical physicists have long been trying to devise a complete theory of gravity that would also account for quantum mechanics phenomena, as existing models do not. Such a theory could collectively explain the many intricate ...
So, you've just put the finishing touches on upgrades to your spaceship, and now it can fly at almost the speed of light. We're not quite sure how you pulled it off, but congratulations!
Space Exploration
Aug 21, 2020
8
188
NASA wants to come up with an out-of-this-world way to keep track of time, putting the moon on its own souped-up clock.
Space Exploration
Apr 3, 2024
0
320
The idea that the universe is expanding dates from almost a century ago. It was first put forward by Belgian cosmologist Georges Lemaître (1894–1966) in 1927 and confirmed observationally by American astronomer Edwin Hubble ...
General Physics
Apr 15, 2024
1
661
A team of researchers from Brookhaven National Laboratory and the University of Kansas has developed a theory to explain why there is so much more matter than antimatter in the universe. They have written a paper describing ...
Near the center of the Milky Way Galaxy sits an immense object that astronomers call Sagittarius A*. This "supermassive" black hole may have grown in tandem with our galaxy, and it's not alone. Scientists suspect that similar ...
Astronomy
Jun 20, 2023
4
1737
While Einstein's theory of general relativity can explain a large array of fascinating astrophysical and cosmological phenomena, some aspects of the properties of the universe at the largest-scales remain a mystery. A new ...
General Physics
Jul 30, 2020
22
2279
In a new study of axion motion, researchers propose a scenario known as "kinetic misalignment" that greatly strengthens the case for axion/dark matter equivalence. The novel concept answers key questions related to the origins ...
General Physics
Jun 26, 2020
24
2068
