Using the AstroSAT spacecraft, Indian astronomers have observed the low-mass X-ray binary designated GX 5-1. The observations were published March 28 on the arXiv pre-print repository. The authors report the detection of ...
Direct observations of the structure and catalytic mechanism of a prototypical kinase enzyme—protein kinase A or PKA—will provide researchers and drug developers with significantly enhanced abilities to understand and ...
Biochemistry
Mar 20, 2019
0
186
Astronomers found a pulsar hurtling through space at nearly 2.5 million miles an hour—so fast it could travel the distance between Earth and the Moon in just 6 minutes. The discovery was made using NASA's Fermi Gamma-ray ...
Astronomy
Mar 19, 2019
19
1286
A UK-German team of astronomers has conducted observations of a peculiar radio magnetar known as XTE J1810–197, which turned on in December 2018 after an almost decade-long period of quiescence. Results of these observations ...
An international collaboration including scientists at the Department of Energy's (DOE's) Oak Ridge National Laboratory (ORNL) solved a 50-year-old puzzle that explains why beta decays of atomic nuclei are slower than what ...
General Physics
Mar 11, 2019
2
1001
An international research team including astronomers from the Max Planck Institute for Radio Astronomy in Bonn, Germany, has combined radio telescopes from five continents to prove the existence of a narrow stream of material, ...
Astronomy
Feb 22, 2019
38
624
Neutron stars are among the densest-known objects in the universe, withstanding pressures so great that one teaspoon of a star's material would equal about 15 times the weight of the moon. Yet as it turns out, protons—the ...
General Physics
Feb 22, 2019
50
4293
In the nearby Whirlpool galaxy and its companion galaxy, M51b, two supermassive black holes heat up and devour surrounding material. These two monsters should be the most luminous X-ray sources in sight, but a new study using ...
Astronomy
Feb 20, 2019
5
260
Just over a decade ago scientists pushed magnesium atoms to new limits, jamming extra neutrons into their nuclei toward—and possibly reaching—the maximum limit for this element.
General Physics
Feb 7, 2019
4
105
Data recorded by NASA's Chandra X-ray Observatory of a neutron star as it passed through a dense patch of stellar wind emanating from its massive companion star provide valuable insight about the structure and composition ...
Astronomy
Jan 24, 2019
4
217
