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

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

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.

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

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.

A Kenyan site shows early hominids transported stone 13 kilometers for toolmaking as early as 2.6 million years ago.

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.

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

Women face a small rise in fracture risk within 10 years of stopping therapy, suggesting the need for additional monitoring.

Flu viruses often enter the body through mucous tissue in the nose. Researchers are developing new ways to protect such areas.

Maya Ajmera, President & CEO of Society for Science and Executive Publisher of Science News, chatted with Eric Sporkin. Sporkin is an alumnus of the 2007 International Science and Engineering Fair ...