How did supermassive black holes form? What is dark matter? In an alternative model for how the universe came to be, as compared to the 'textbook' history of the universe, a team of astronomers propose that both of these ...
Astronomy
Dec 17, 2021
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1552
Massive stars end their lives in explosions called core-collapse supernovae. These explosions produce very large numbers of weakly interacting particles called neutrinos. Scientists working on the Deep Underground Neutrino ...
General Physics
Apr 19, 2021
0
79
When a massive star reaches the end of its life, it can explode in a process known as a supernova. The massive star—much more massive than our sun—runs out of fuel in its core. Gravity forces the core to collapse on itself, ...
General Physics
Aug 19, 2020
0
180
Almost 20 years ago, the DAMA/LIBRA experiment at Italy's Gran Sasso National Laboratory—LNGS began publishing data showing that it had detected a signal modulation produced by an interaction with the Milky Way's dark ...
Astronomy
Jan 24, 2019
54
354
A science team in Antarctica is preparing to loft a balloon-borne instrument to collect information on cosmic rays, high-energy particles from beyond the solar system that enter Earth's atmosphere every moment of every day. ...
Space Exploration
Dec 6, 2017
0
122
In quantum mechanics particles can behave as waves and take many paths through an experiment. It requires only combinations of pairs of paths, rather than three or more, to determine the probability for a particle to arrive ...
Quantum Physics
Aug 11, 2017
3
1638
Scientists have come up empty-handed in their latest effort to find elusive dark matter, the plentiful stuff that helps galaxies like ours form.
General Physics
Jul 21, 2016
317
3374
Super-massive black holes at the centers of galaxies can spawn tremendous bipolar jets when matter in the vicinity forms a hot, accreting disk around the black hole. The rapidly moving charged particles in the jets radiate ...
Astronomy
Dec 28, 2015
24
157
"What really impressed me was the trip down," said astrophysicist James Buckley, PhD, speaking of the vertical mile he traveled to get to the site of an underground dark-matter experiment. "You can see you're moving at a ...
General Physics
Dec 9, 2014
22
2
Two-particle interference has been the focus of many studies, specifically in quantum optics with photons. However, interference between two massive, identical particles is not so well understood. In a study published in ...
Quantum Physics
Mar 4, 2014
1
0
