Jan. 29 (UPI) --Like most lichen, reindeer lichen can reproduce both sexually and asexually, by sending out spores or simply cloning themselves. Previously, researchers assumed reindeer lichen, ...

The patches of lichen you've probably seen growing on tree trunks and park benches might be easy to overlook, but they're actually some of the world's strangest living things. While they're sometimes ...

In northern Canada, the forest floor is carpeted with reindeer lichens. They look like a moss made of tiny gray branches, but they're stranger than that: they're composite organisms, a fungus and ...