When humans see their children about to eat something they oughtn’t, we can simply tell them, “Don’t eat that. It’ll make you sick.”

A new bacterial molecule with the unsavory tendency to track down and kill others of its own kind has been discovered in the human microbiome by researchers at Princeton’s Department of Chemistry.

Researchers have shown why intense, pure red colours in nature are mainly produced by pigments, instead of the structural colour that produces bright blue and green hues.

Global populations of mammals, birds, amphibians, reptiles and fish have declined by over two-thirds in less than half a century.

Invaders, pirates, warriors – the history books taught us that Vikings were brutal predators who travelled by sea from Scandinavia to pillage and raid their way across Europe and beyond.

NOAA and its international partners funded and conducted a new study of the most acidified reefs to date, finding deep sea corals face the same challenges their shallower water relatives are dealing with in reefs around the world.

NASA-NOAA’s Suomi NPP satellite provided an infrared image of Tropical Depression 22 in the Gulf of Mexico during the early morning hours of Sept. 18.

More than 45 U.S. Geological Survey scientists are in the field today from Louisiana to Georgia, working to measure the extensive flooding across the Southeast caused by Hurricane Sally’s heavy rains.

New research by University of Alberta scientists on the risks for metal contamination at an inactive mining site in northwestern Saskatchewan could help inform a strategy for a safe long-term reclamation of the site.

Babies who have life-saving surgery for congenital heart problems within the first month of life face a lifelong risk of chronic kidney disease and high blood pressure.