Sunflower sea stars discovered taking refuge in fjords may offer clues to saving the critically endangered species from sea star wasting disease.

Bulky molecules mimic some properties of PFAS without their long-lasting chemical bonds and could replace PFAS in some water-repelling applications.

In chess as in life, people use memory as a shortcut for decision-making. That strategy can backfire when the present doesn’t resemblance the past.

The diabetes and weight loss drug semaglutide reversed liver scarring and inflammation. It’s among several drugs in the works for the condition MASH.

Introducing captive-bred axolotls to restored and artificial wetlands may be a promising option for the popular pet amphibian.

DNA supports modern Picuris Pueblo accounts of ancestry going back more than 1,000 years to Chaco Canyon society.

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Knife-toothed reptiles called sebecids went extinct on the mainland 10 million years ago. New fossil evidence puts them on an island 4 million years ago.

Societal upheaval can trigger uncertainty, which makes people susceptible to cognitive traps. Experts suggest some simple tools can help.

These hands-on displays might be used to create more immersive video games, educational tools and museum exhibits.

Water drops produce electricity when dripped through a small tube. That power might be harnessed as renewable energy in rainy places.

Scientists aboard a research vessel near Los Angeles collected ash, air and water samples as fire blazed on the hills before them in January.