Some of the earliest images ever taken in the wake of massive star’s death give astronomers important clues about what triggers a supernova.

After a decades-long hiatus, new world screwworm populations have surged in Central America and Mexico — and are inching northward.

Some “clicks” made by sperm whales may actually be “clacks,” but marine biologists debate what, if anything, that means.

A child-friendly brain imaging technique is just one way neuroscientist Cat Camacho investigates how children learn to process emotions.

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President Trump has argued the U.S. should test nuclear weapons because other countries are doing it. But scientific data suggest they’re not.

No, aliens had nothing to do with a winding 1.5-kilometer-long path of holes. First used as a market, the Inca then repurposed it for tax collection.

Streams of liquid form drops thanks to unidentified disturbances. It could be the jiggling of individual molecules.

From growing smaller leaves to shape-shifting its insides, a desert flowering plant goes all in to flourish in the harshest of conditions.

From blaming the victim to replying "I have no interest in your life" to suicidal thoughts, AI chatbots can respond unethically when used for therapy.

Planetary scientist Adeene Denton runs computer simulations to investigate Pluto, the moons of Saturn and other icy bodies in the solar system.

The birds grunt like tennis pros when generating their rat-a-tat, a performance strategy that may help stabilize core muscles.