How Heavy Is the Milky Way?

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By combining data from the Hubble and Gaia space telescopes, an international team of astronomers has come up with the most accurate estimate yet of our galaxy’s mass.

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https://gizmodo.com/how-heavy-is-the-milky-way-1833131376

Physicists Propose Hunting for Signs of Dark Matter in Ancient Minerals

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Physicists typically build large, complex experiments to hunt for dark matter particles coming from outer space, but what if clues to its existence have been hiding inside the Earth all along? One group of physicists proposes hunting for signs of it in ancient minerals, such as olivine or gypsum, that formed in the…

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https://gizmodo.com/physicists-propose-hunting-for-signs-of-dark-matter-in-1832881018