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The device, which directs a liquid by mimicking squids' high-pressure jets, could provide alternative delivery methods for injectable drugs.

Blue Cross Blue Shield's now rescinded plan to put time limits on anesthesia put a spotlight on a poorly understood profession.

Researcher Brian Katz is studying the acoustics of the Paris cathedral and how it's been altered throughout the centuries.

Humankind accomplished new feats in space this year, including scooping up some of the moon's farside and launching a probe to Jupiter's moon Europa.

Finding a bubble of hot gas blown by the stellar wind from a young star gives researchers a peek at what our sun was like when it was young.

Data continue to show that tirzepatide, called Mounjaro for type 2 diabetes and Zepbound for weight loss, is safe and effective, but side effects remain.

Heat waves fueled by climate change killed scores of people and upended daily life. Here are some of those stories.

Botanist Pablo Guerrero has been visiting Atacama cacti all his life. They're not adapting well to a drier climate, booming mining and plant collection.

Even spider love lives show an effect of climate uncertainty: Stressed males may offer a bit of silk-wrapped junk rather than a tasty insect treat.

ESA's Proba-3 mission will use one satellite to block out the sun for another satellite, bringing the sun's middle corona into new focus.