Parts of the Red Cliffs Desert Reserve are being aerially treated with herbicides this week in areas west and north of the Green Spring community in Washington City.

Deep below the surface of a river in northern Brazil, a “shy” creature tucked its “armored” body into a rocky crevice. Divers ...

It’s often deemed the first color, the strongest color, the color that stands for color itself. So why does it keep slipping ...

Centuries before the now-banned red dye No. 3 was synthesized in a lab, humans turned to insects to bring a little scarlet, vermillion or burgundy into their foods, fabrics and ...

Discover how the cochineal insect's red dye influenced civilizations, from the Aztecs to the British redcoats.

History is often taught through the same iconic images, but sometimes the most interesting moments are the ones that don’t ...

Dawn redwood trees once were believed extinct. The towering trees have been quietly growing in Michigan for decades.

Video from a suburb of Argentina’s capital of Buenos Aires shows a bright red waterway. The area has multiple tanneries that ...