The mineral hackmanite (or tenacious sodalite) is an amazing natural phenomenon that has long been a mystery to scientists – even though we can now engineer synthetic materials that glow in the dark more effectively than anything in nature. Geologists first described the mineral in the 1800s, with its tendency …
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The mystery of a galaxy that shouldn’t exist can now be solved. Dragon Fly 44, an obscure galaxy found in 2016 containing 99.99 percent dark matter, has been closely re-examined, showing lower and more normal proportions of dark matter. This means that we do not need to modify our models …
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Two experiments with subtle slogans that prevent entire galaxies from flying together have recently published some conflicting results. One came empty handed, while the other gives us every reason to keep searching. Dark bosons are candidates for dark matter based on force-carrying particles that do not actually pack more force. …
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It would be very optimistic to suggest that we have a good handle on dark matter. But even the slightest understanding we have can lead to the loss of something important. New observations from the Hubble Space Telescope have found much higher concentrations of dark matter in the order of …
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Last year, the astronomical community received a surprising surprise. For the first time, the world collectively looked at the real image of the shadow of a black hole. It was the culmination of years of work, a glorious achievement in both human collaboration and technological ingenuity. And, like the best …
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