Some of the last data from the Cassini mission reveals more structure in Saturn's magnetic field, but still no answer as to how it formed.
Space Exploration
Oct 4, 2018
78
220
A new study published today in Science has shed light on how birds navigate back to their breeding site after flying across two continents.
Plants & Animals
Jan 28, 2022
3
627
Fast-moving magnetic waves emanating from a distant supermassive black hole undulate like a whip whose handle is being shaken by a giant hand, according to a new study using data from the National Radio Astronomy Observatory's ...
Astronomy
Jul 10, 2015
110
4295
Magnetic reconnection, a universal process that triggers solar flares and northern lights and can disrupt cell phone service and fusion experiments, occurs much faster than theory says that it should. Now researchers at the ...
Plasma Physics
Mar 31, 2017
51
808
Ever since the 1950s discovery of the solar wind - the constant flow of charged particles from the sun - there's been a stark disconnect between this outpouring and the sun itself. As it approaches Earth, the solar wind is ...
Space Exploration
Sep 1, 2016
9
657
Solar flares—violent explosions on the surface of the sun—can send blasts of radiation hurtling toward Earth. While the planet's magnetic field protects humans on the surface, powerful solar flares can disable satellites, ...
Space Exploration
Jul 31, 2020
135
326
A remarkable prediction of Einstein's theory of general relativity—the theory that connects space, time, and gravity—is that rotating black holes have enormous amounts of energy available to be tapped.
General Physics
Jan 13, 2021
5
3010
Helium is the second most abundant element in the universe after hydrogen. But scientists aren't sure just how much there actually is in the Sun's atmosphere, where it is hard to measure. Knowing the amount of helium in the ...
Astronomy
Aug 7, 2020
55
163
In 1895, Wilhelm Röntgen discovered X-rays and used them to image the bones in his wife's hand, kicking off a revolutionary diagnostic tool for medicine. Now two of NASA's X-ray space telescopes have combined their imaging ...
Astronomy
Oct 30, 2023
0
127
Testing of the magnetic field in the Wendelstein 7-X fusion device was completed sooner than planned. The measurements, which were much anticipated at the Max Planck Institute for Plasma Physics in Greifswald, show: The superconducting ...
Plasma Physics
Jul 17, 2015
0
44
