First a river ran blood red. Now Argentina's beloved giant rodent, the capybara, has been coated in Hulk-green slime as ...

Last month was the hottest January on record, blitzing the previous high and stunning climate scientists who expected cooler La Niña conditions to finally start quelling a long-running heat ...

When populations of tiny aquatic organisms called cyanobacteria (formerly known as blue-green algae) explode, their toxic overgrowth can threaten human drinking water and cause wildlife deaths in ...