At an average age of 70, these women divers in South Korea still forage in the sea up to 10 hours a day and spend more than half of that time underwater.

In-flight defecation may help the birds stay away from feces that can contain pathogens such as bird flu while also fertilizing the ocean.

Adding a magnet could simplify the process of producing oxygen in space, making a crewed mission to Mars more feasible.

Found in Splenda, sucralose reduces immunotherapy efficacy via its effects on the gut microbiome, but arginine supplements might counter the outcome.

The Webb telescope found that a far-off little red dot is the oldest known black hole, shrouded by gas that could help explain the ruby color.

In two studies of mice, a molecule called leukotriene helped trigger food-induced anaphylaxis. A drug approved for asthma — zileuton — diminished it.

Analysis of the hair used in a knotted device reveals the owner’s simple diet. That suggests commoners, not just the elite, kept records in Inca society.

Producing a male-specific protein in digestion-related neurons may have led to the evolution of an odd “romantic” barfing behavior in one species of fruit flies.

Sun-powered fliers could use photophoretic forces to hover in the mesosphere, gathering data from a region off limits to planes and balloons.

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Sea silk, once spun from endangered clams, may make a comeback — thanks to discarded fibers from a farmed species. The find could sustainably revive a fading art.

An analysis of tooth enamel from animals that roamed the western United States about 150 million years ago, including (from left) Allosaurus, Apatosaurus, a herd of Diplodocus and two Camptosaurus, ...