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Anglerfish have invisible fangs, narwhal tusks are extra-long canines, and more facts from the weird and wonderful study of teeth will astound you

A genetic mutation makes some cats’ tail curl over their back, giving them something akin to an accent when they communicate with other kitties

The Chandra X-ray Observatory is facing closure. Shutting it down would be a loss to science as a whole

Finding a perfect sphere is actually pretty difficult

On the 50th anniversary of the “Arecibo message,” we present a reflection on humankind’s first attempt to send a transmission to intelligent life in the cosmos.

Federal health scientists voice concern over an anticipated takeover by medical skeptics in Trump’s second administration

Wastewater in several Californian cities, including San Francisco and Los Angeles, recently tested positive for bird flu. But understanding disease risk and exposure to humans isn’t so straightforward

Visual artist Anna Von Mertens looks to astronomer Henrietta Swan Leavitt and her vision of the universe for inspiration

Generative AI could saddle the planet with heaps more hazardous waste