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

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

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

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 ...

In The Martians, journalist David Baron recounts scientific and public debate over purported intelligent life on the Red Planet.

Golden apple snails can regrow full, functional eyes. Studying their genes may reveal how to repair human eye injuries.

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.

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.

The hypothesis could extend the search for extraterrestrial life to include frigid planets with thin atmospheres and underground water.

In the lab, higher temperatures during fall migration led monarchs to break their reproductive pause, increasing their risk of death.

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, ...