Ancient DNA reveals China’s first ‘pet’ cat wasn’t the house cat

The house cat (Felis catus) slunk into China in the eighth century. But long before that, the ancient Chinese were by no means catless. Leopard cats (Prionailurus bengalensis) might have been the first to wander into human settlements for food in China thousands of years ago. They probably hunted rodents eating agricultural grain.Rapeepong Puttakumwong/Getty Images…

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Satellite Megaconstellations Are Now Threatening Telescopes in Space

December 3, 2025 3 min read Add Us On GoogleAdd SciAm Satellites Swarming Low-Earth Orbit Threaten Space Telescopes Proliferating satellites are beginning to harm the science work of the beloved Hubble Space Telescope and other observatories By Meghan Bartels edited by Lee Billings A simulated image represents the projected contamination by satellite trails in observations…

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Ancient southern Africans took genetic evolution in a new direction

Important, previously unrecognized genetic changes common to all ancient and modern Homo sapiens spread in Africa more than 300,000 years ago, a new study finds. After that, the same investigation concludes, human evolution experienced a regional twist. Ancient southern Africans evolved an impressive array of genetic tweaks largely independently of humans in other parts of…

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Scientific American’s Best Fiction and Nonfiction Picks for Science-Minded Readers

Kendra Pierre-Louis: For Scientific American’s Science Quickly, I’m Kendra Pierre-Louis, in for Rachel Feltman. One way that we here at Scientific American stay on top of what’s happening in science is not just by examining research papers and studies but also by reading books. For the past two years we’ve shared our staff favorites, but…

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