After a journey lasting about two billion years, photons from an extremely energetic gamma-ray burst (GRB) struck the sensors on the Neil Gehrels Swift Observatory and the Fermi Gamma-Ray Space Telescope on October 9th, 2022. ...
Astronomy
Apr 15, 2024
0
75
In October 2022, an international team of researchers, including Northwestern University astrophysicists, observed the brightest gamma-ray burst (GRB) ever recorded, GRB 221009A.
Astronomy
Apr 12, 2024
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1402
The first generation of stars transformed the universe. Inside their cores, simple hydrogen and helium fused into a rainbow of elements. When these stars died, they exploded and sent these new elements across the universe. ...
Astronomy
Mar 20, 2024
1
209
The origin of heavy elements in our universe is theorized to be the result of neutron star collisions, which produce conditions hot and dense enough for free neutrons to merge with atomic nuclei and form new elements in a ...
General Physics
Mar 13, 2024
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49
A groundbreaking study of the origins of intermediate-velocity clouds (IVCs) challenges a 20-year-old theory and suggests a new era of deep-space research.
Astronomy
Mar 11, 2024
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33
A recent study at the University of Helsinki reveals that dogs with epilepsy exhibit distinct alterations in trace elements and heavy metal levels in their blood and fur compared with healthy counterparts.
Veterinary medicine
Feb 22, 2024
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1
Astronomers from Curtin University in Australia and elsewhere report the detection of a new supernova remnant (SNR) located some 3,300 light years away. The newfound SNR, designated G321.3-3.9, has an elliptical shape and ...
Nearing the end of their life, they sit quietly for long periods of time, barely noticeable, before suddenly puffing out a cloud of smoke.
Astronomy
Jan 28, 2024
1
203
'Hidden' stars including a new type of elderly giant nicknamed 'old smoker' have been spotted for the first time by astronomers. The mystery objects exist at the heart of our Milky Way galaxy and can sit quietly for decades—fading ...
Astronomy
Jan 25, 2024
3
84
There's a galaxy out there without apparent stars but largely chock full of dark matter. What's that you say? A galaxy without stars? Isn't that an impossibility? Not necessarily, according to the astronomers who found it ...
Astronomy
Jan 17, 2024
1
25
