“Lichens are actually a composite organism of a fungus and an alga that have come together to make a living,” Watts explained ...

From wide-leg trousers to tailored capris, we’ve shopped out our favorite styles from Citizens of Humanity, Posse, Alaïa, and more.

A walk in the desert and a curious discovery could have revealed that the secrets of alien life grow in the harshest conditions on Earth in the form of lichen.

Learn why a lichen found in the Mojave Desert has become key evidence in the search for extraterrestrial life.

The question of whether Earth is alone in harboring life has captivated humanity for millennia. In recent years, scientists have turned to Earth-like planets in other solar systems that may show ...

Lichens bridge the living and non-living – understanding them allows us to better see how to conserve our heritage, and also ourselves.

If you’ve spent a lot of time outdoors in New England, you’ve likely crossed paths with, and probably stepped on, lichens. This mysterious indicator species plays an important role at the ...

For thousands of years, lichens have quietly shaped Michigan’s landscapes—and their work is far from finished. I’m alone on a 2-billion-year-old basalt cliff among ancient living organisms ...

Lichens can survive almost anything, and some might survive Mars The symbiotic organisms appear to be able to avoid some radiation damage.

Researchers exposed two lichen species to Mars-like atmospheric conditions for five hours—and one performed impressively.

Oral lichen planus is a chronic disease that causes painful patches inside the mouth. WebMD explains other symptoms, causes, and treatment.