Invisible, imperceptible and yet far more common than ordinary matter, dark matter makes up an astounding 85 percent of the universe's mass. Physicists are slowly but steadily tracking down the nature of this unidentified ...
General Physics
May 23, 2017
1
248
The flash of a glowing crystal could help us find lighter WIMPs—and answer heavy questions about our universe.
General Physics
Apr 9, 2018
1
42
The field of astronomy has been revolutionized, thanks to the first-ever detection of gravitational waves (GWs). Since the initial detection was made in February of 2016 by scientists at the Laser Interferometer Gravitational-wave ...
Astronomy
Sep 10, 2019
4
109
Hydrogen is the most abundant element in the universe, by far. More than 90% of the atoms in the universe are hydrogen. Ten times the number of helium atoms, and a hundred times more than all other elements combined. It's ...
Astronomy
Sep 6, 2023
1
39
Physicists like me don't fully understand what makes up about 83% of the matter of the universe—something we call "dark matter." But with a tank full of xenon buried nearly a mile under South Dakota, we might one day be ...
General Physics
Aug 9, 2023
5
18
Dark matter is a scientific mystery. We can't see or touch it. But physicists like Dan McKinsey theorize it must exist because, without it, the universe would look quite different.
General Physics
Apr 28, 2015
3
19
Sheep's head is not for wimps. Until now very few of us have been tempted by this traditional Norwegian dish.
Other
Oct 20, 2011
0
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