By Giriraj Agrwal Have you ever glanced at a rock covered in lichen and wondered, “What does this strange organism do for me?

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Land managers have long worried about the convergence of mountain goats, bighorn sheep and masses of people on Mount Blue Sky ...

From sculpted desert rock formations to high peaks to the mossy rainforest of the Oregon coast, these three long-trail ...

The surfaces of the rocks facing north and west were covered with green moss and lichen. The trail reached a long stone wall that marked private property before turning sharply southwest down a long, ...

Think of Freycinet and the curvaceous, turquoise-rimmed Wineglass Bay comes to mind. But the park’s lesser-known attractions ...

The first-ever direct flights from the United States to Greenland will give tourists easier access to the island’s history, ...

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For unmatched views of the Pacific and landscapes speckled with wildflowers, check out this stunning coastal trail midway ...

A few minutes later, she poked a rock covered in blue-green fuzz and freckled with cotton candy–colored spots, tiny red-tipped arms sprouting like flowers from its edge—colloquially called “fairy puke ...

Known as crustose coralline algae or red algae, these species coat rocks much like lichen on an alpine cliff. They emit a ...

Discover how lichens grow on trees, rocks, and gravestones, their vital role in ecosystems, and tips for spotting them in ...