Lichens were already widespread more than 410 million years ago, according to a new international study that identifies a fossil from Brazil as one of the oldest lichen in Earth's history. The team ...

A shaggy, cool-green lichen hangs from the trunk of a tree in a forest on northeastern Vancouver Island, growing on the bark like coral on a rocky sea floor. Lichenologist Trevor Goward has named it ...

Please provide your email address to receive an email when new articles are posted on . Vulvar lichen sclerosus is likely underdiagnosed in older women, increasing their risk for cutaneous squamous ...

Recent talk of possible merger activity involving Union Pacific Corp. and Norfolk Southern Corp. raises the possibility of broader consolidation in the industry, which could also impact CSX Corp., ...

Lichen from the Mojave Desert has stunned scientists by surviving months of lethal UVC radiation, suggesting life could exist on distant planets orbiting volatile stars. The secret? A microscopic ...

Nicholas Carter does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

On a brisk Saturday morning at Bradbury Mountain State Park in Pownal, Maine, Park Ranger Jeff Pengel leads a nature walk he’s titled ‘EnLichenment’. And, puns aside, there’s a lot to see here, once ...

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 that are ...

Whether anything ever lived on Mars is unknown. And the present environment, with harsh temperatures, intense radiation, and a sparse atmosphere, isn’t exactly propitious for life. Despite the red ...

Most planetary scientists agree that Mars’ extreme conditions would be uninhabitable to life as we know it. New research, however, suggests that we might be underestimating the hardiness of lichens.